102001134012 has 24 divisors (see below), whose sum is σ = 239714899200. Its totient is φ = 33755770416.

The previous prime is 102001133939. The next prime is 102001134013. The reversal of 102001134012 is 210431100201.

It is a super-2 number, since 2×102001134012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102001133982 and 102001134000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001134013) 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, 30574212 + ... + 30577547.

It is an arithmetic number, because the mean of its divisors is an integer number (9988120800).

Almost surely, 2^102001134012 is an apocalyptic number.

102001134012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102001134012 is an abundant number, since it is smaller than the sum of its proper divisors (137713765188).

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

102001134012 is a wasteful number, since it uses less digits than its factorization.

102001134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61151905 (or 61151903 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102001134012 its reverse (210431100201), we get a palindrome (312432234213).

The spelling of 102001134012 in words is "one hundred two billion, one million, one hundred thirty-four thousand, twelve".