1001231012210 has 64 divisors (see below), whose sum is σ = 2117548911744. Its totient is φ = 336036211200.

The previous prime is 1001231012207. The next prime is 1001231012219. The reversal of 1001231012210 is 122101321001.

It is a super-2 number, since 2×1001231012210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001231012219) 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, 12961622 + ... + 13038638.

It is an arithmetic number, because the mean of its divisors is an integer number (33086701746).

Almost surely, 2^{1001231012210} is an apocalyptic number.

1001231012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001231012210 is an abundant number, since it is smaller than the sum of its proper divisors (1116317899534).

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

1001231012210 is a wasteful number, since it uses less digits than its factorization.

1001231012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86139.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001231012210 its reverse (122101321001), we get a palindrome (1123332333211).

The spelling of 1001231012210 in words is "one trillion, one billion, two hundred thirty-one million, twelve thousand, two hundred ten".