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120212122104 = 23321669612807
BaseRepresentation
bin110111111110100110…
…0110110100111111000
3102111021210022112022200
41233331030312213320
53432143300401404
6131120310550200
711453653115124
oct1577514664770
9374253275280
10120212122104
1146a88677648
121b36a968360
13b44a1270c9
145b655a2584
1531d8906839
hex1bfd3369f8

120212122104 has 24 divisors (see below), whose sum is σ = 325574497560. Its totient is φ = 40070707344.

The previous prime is 120212122103. The next prime is 120212122109. The reversal of 120212122104 is 401221212021.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212122103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 834806332 + ... + 834806475.

It is an arithmetic number, because the mean of its divisors is an integer number (13565604065).

Almost surely, 2120212122104 is an apocalyptic number.

It is an amenable number.

120212122104 is an abundant number, since it is smaller than the sum of its proper divisors (205362375456).

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

120212122104 is a wasteful number, since it uses less digits than its factorization.

120212122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669612819 (or 1669612812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120212122104 its reverse (401221212021), we get a palindrome (521433334125).

The spelling of 120212122104 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1669612807 3339225614 5008838421 6678451228 10017676842 13356902456 15026515263 20035353684 30053030526 40070707368 60106061052 120212122104