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120212123130 = 232511121426387
BaseRepresentation
bin110111111110100110…
…0110110110111111010
3102111021210022120201200
41233331030312313322
53432143300420010
6131120310555030
711453653121121
oct1577514666772
9374253276650
10120212123130
1146a886783a0
121b36a968a76
13b44a127708
145b655a2ab8
1531d8906cc0
hex1bfd336dfa

120212123130 has 48 divisors (see below), whose sum is σ = 340965297504. Its totient is φ = 29142332640.

The previous prime is 120212123111. The next prime is 120212123189. The reversal of 120212123130 is 31321212021.

120212123130 is a `hidden beast` number, since 120 + 21 + 212 + 313 + 0 = 666.

120212123130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60712204 + ... + 60714183.

It is an arithmetic number, because the mean of its divisors is an integer number (7103443698).

Almost surely, 2120212123130 is an apocalyptic number.

120212123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120212123130 is an abundant number, since it is smaller than the sum of its proper divisors (220753174374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120212123130 is a wasteful number, since it uses less digits than its factorization.

120212123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121426411 (or 121426408 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120212123130 its reverse (31321212021), we get a palindrome (151533335151).

It can be divided in two parts, 120212 and 123130, that added together give a palindrome (243342).

The spelling of 120212123130 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 121426387 242852774 364279161 607131935 728558322 1092837483 1214263870 1335690257 1821395805 2185674966 2671380514 3642791610 4007070771 5464187415 6678451285 8014141542 10928374830 12021212313 13356902570 20035353855 24042424626 40070707710 60106061565 120212123130