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1012130120 = 235107236479
BaseRepresentation
bin111100010100111…
…110000101001000
32121112111112111202
4330110332011020
54033101130440
6244233243332
734036651451
oct7424760510
92545445452
101012130120
1147a359381
12242b63548
131318c6481
14985c8128
155dcca615
hex3c53e148

1012130120 has 32 divisors (see below), whose sum is σ = 2298585600. Its totient is φ = 401066688.

The previous prime is 1012130113. The next prime is 1012130123. The reversal of 1012130120 is 210312101.

1012130120 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×10121301202 = 2048814759622428800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012130123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113960 + ... + 122519.

It is an arithmetic number, because the mean of its divisors is an integer number (71830800).

Almost surely, 21012130120 is an apocalyptic number.

1012130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012130120 is an abundant number, since it is smaller than the sum of its proper divisors (1286455480).

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

1012130120 is a wasteful number, since it uses less digits than its factorization.

1012130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236597 (or 236593 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1012130120 is about 31813.9925190159. The cubic root of 1012130120 is about 1004.0271337566.

Adding to 1012130120 its reverse (210312101), we get a palindrome (1222442221).

The spelling of 1012130120 in words is "one billion, twelve million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 236479 472958 945916 1182395 1891832 2364790 4729580 9459160 25303253 50606506 101213012 126516265 202426024 253032530 506065060 1012130120