3212212121320 has 32 divisors (see below), whose sum is σ = 7228796889600. Its totient is φ = 1284650250048.

The previous prime is 3212212121273. The next prime is 3212212121369. The reversal of 3212212121320 is 231212122123.

It is a junction number, because it is equal to n+sod(n) for n = 3212212121291 and 3212212121300.

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, 7109304 + ... + 7547623.

It is an arithmetic number, because the mean of its divisors is an integer number (225899902800).

Almost surely, 2^{3212212121320} is an apocalyptic number.

It is an amenable number.

3212212121320 is an abundant number, since it is smaller than the sum of its proper divisors (4016584768280).

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

3212212121320 is a wasteful number, since it uses less digits than its factorization.

3212212121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14662417 (or 14662413 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3212212121320 its reverse (231212122123), we get a palindrome (3443424243443).

The spelling of 3212212121320 in words is "three trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty-one thousand, three hundred twenty".