12000011121010 has 64 divisors (see below), whose sum is σ = 24566587562880. Its totient is φ = 4181742190080.

The previous prime is 12000011120891. The next prime is 12000011121061. The reversal of 12000011121010 is 1012111000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23683275 + ... + 24184654.

It is an arithmetic number, because the mean of its divisors is an integer number (383852930670).

Almost surely, 2^{12000011121010} is an apocalyptic number.

12000011121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000011121010 is an abundant number, since it is smaller than the sum of its proper divisors (12566576441870).

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

12000011121010 is a wasteful number, since it uses less digits than its factorization.

12000011121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47868043.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12000011121010 its reverse (1012111000021), we get a palindrome (13012122121031).

The spelling of 12000011121010 in words is "twelve trillion, eleven million, one hundred twenty-one thousand, ten".