10012120012 has 24 divisors (see below), whose sum is σ = 18580892400. Its totient is φ = 4704215040.

The previous prime is 10012119989. The next prime is 10012120021. The reversal of 10012120012 is 21002121001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71262 + ... + 158437.

It is an arithmetic number, because the mean of its divisors is an integer number (774203850).

Almost surely, 2^10012120012 is an apocalyptic number.

It is an amenable number.

10012120012 is a deficient number, since it is larger than the sum of its proper divisors (8568772388).

10012120012 is a wasteful number, since it uses less digits than its factorization.

10012120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230361 (or 230359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012120012 its reverse (21002121001), we get a palindrome (31014241013).

The spelling of 10012120012 in words is "ten billion, twelve million, one hundred twenty thousand, twelve".