10002012012 has 36 divisors (see below), whose sum is σ = 25288013296. Its totient is φ = 3333324960.

The previous prime is 10002012011. The next prime is 10002012023. The reversal of 10002012012 is 21021020001.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 10002011985 and 10002012003.

It is not an unprimeable number, because it can be changed into a prime (10002012011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169938 + ... + 221094.

Almost surely, 2^10002012012 is an apocalyptic number.

10002012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10002012012 is an abundant number, since it is smaller than the sum of its proper divisors (15286001284).

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

10002012012 is a wasteful number, since it uses less digits than its factorization.

10002012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56598 (or 56593 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002012012 its reverse (21021020001), we get a palindrome (31023032013).

The spelling of 10002012012 in words is "ten billion, two million, twelve thousand, twelve".