3211450531212 has 96 divisors (see below), whose sum is σ = 9372833648640. Its totient is φ = 831425843520.

The previous prime is 3211450531199. The next prime is 3211450531319. The reversal of 3211450531212 is 2121350541123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3211450531212.

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, 5376912 + ... + 5944247.

It is an arithmetic number, because the mean of its divisors is an integer number (97633683840).

Almost surely, 2^{3211450531212} is an apocalyptic number.

It is an amenable number.

3211450531212 is an abundant number, since it is smaller than the sum of its proper divisors (6161383117428).

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

3211450531212 is a wasteful number, since it uses less digits than its factorization.

3211450531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321491 (or 11321489 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 3211450531212 in words is "three trillion, two hundred eleven billion, four hundred fifty million, five hundred thirty-one thousand, two hundred twelve".