2012321231000 has 32 divisors (see below), whose sum is σ = 4708831682880. Its totient is φ = 804928492000.

The previous prime is 2012321230991. The next prime is 2012321231021. The reversal of 2012321231000 is 1321232102.

It is a super-2 number, since 2×2012321231000² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012321231000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006159616 + ... + 1006161615.

It is an arithmetic number, because the mean of its divisors is an integer number (147150990090).

Almost surely, 2^{2012321231000} is an apocalyptic number.

2012321231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012321231000 is an abundant number, since it is smaller than the sum of its proper divisors (2696510451880).

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

2012321231000 is a wasteful number, since it uses less digits than its factorization.

2012321231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012321252 (or 2012321238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2012321231000 its reverse (1321232102), we get a palindrome (2013642463102).

The spelling of 2012321231000 in words is "two trillion, twelve billion, three hundred twenty-one million, two hundred thirty-one thousand".