102000003012 has 18 divisors (see below), whose sum is σ = 257833341038. Its totient is φ = 34000000992.

The previous prime is 102000002959. The next prime is 102000003013. The reversal of 102000003012 is 210300000201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100575242496 + 1424760516 = 317136^2 + 37746^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×102000003012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102000002985 and 102000003003.

It is not an unprimeable number, because it can be changed into a prime (102000003013) 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, 1416666673 + ... + 1416666744.

Almost surely, 2^102000003012 is an apocalyptic number.

102000003012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102000003012 is an abundant number, since it is smaller than the sum of its proper divisors (155833338026).

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

102000003012 is a wasteful number, since it uses less digits than its factorization.

102000003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833333427 (or 2833333422 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 102000003012 its reverse (210300000201), we get a palindrome (312300003213).

The spelling of 102000003012 in words is "one hundred two billion, three thousand, twelve".