1212110231001 has 32 divisors (see below), whose sum is σ = 1695805106688. Its totient is φ = 769204316160.

The previous prime is 1212110230973. The next prime is 1212110231047. The reversal of 1212110231001 is 1001320112121.

It is not a de Polignac number, because 1212110231001 - 2⁹ = 1212110230489 is a prime.

It is a super-2 number, since 2×1212110231001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212110231071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13692241 + ... + 13780481.

It is an arithmetic number, because the mean of its divisors is an integer number (52993909584).

Almost surely, 2^{1212110231001} is an apocalyptic number.

It is an amenable number.

1212110231001 is a deficient number, since it is larger than the sum of its proper divisors (483694875687).

1212110231001 is a wasteful number, since it uses less digits than its factorization.

1212110231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90961.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1212110231001 its reverse (1001320112121), we get a palindrome (2213430343122).

The spelling of 1212110231001 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred thirty-one thousand, one".