12111112120010 has 32 divisors (see below), whose sum is σ = 21816497791872. Its totient is φ = 4840779695680.

The previous prime is 12111112120007. The next prime is 12111112120031. The reversal of 12111112120010 is 1002121111121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191155157 + ... + 191218503.

It is an arithmetic number, because the mean of its divisors is an integer number (681765555996).

Almost surely, 2^{12111112120010} is an apocalyptic number.

12111112120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111112120010 is a deficient number, since it is larger than the sum of its proper divisors (9705385671862).

12111112120010 is a wasteful number, since it uses less digits than its factorization.

12111112120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77518.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12111112120010 its reverse (1002121111121), we get a palindrome (13113233231131).

The spelling of 12111112120010 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, ten".