1210012112001 has 32 divisors (see below), whose sum is σ = 2011522461696. Its totient is φ = 628554672000.

The previous prime is 1210012111933. The next prime is 1210012112021. The reversal of 1210012112001 is 1002112100121.

It is not a de Polignac number, because 1210012112001 - 2⁹ = 1210012111489 is a prime.

It is a super-2 number, since 2×1210012112001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210012112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7522861 + ... + 7682021.

It is an arithmetic number, because the mean of its divisors is an integer number (62860076928).

Almost surely, 2^{1210012112001} is an apocalyptic number.

1210012112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210012112001 is a deficient number, since it is larger than the sum of its proper divisors (801510349695).

1210012112001 is a wasteful number, since it uses less digits than its factorization.

1210012112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192093.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210012112001 its reverse (1002112100121), we get a palindrome (2212124212122).

The spelling of 1210012112001 in words is "one trillion, two hundred ten billion, twelve million, one hundred twelve thousand, one".