3203121213012 has 48 divisors (see below), whose sum is σ = 8624585295872. Its totient is φ = 906292268640.

The previous prime is 3203121212999. The next prime is 3203121213053. The reversal of 3203121213012 is 2103121213023.

It is a super-2 number, since 2×3203121213012² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3203121213012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185100064 + ... + 185117367.

Almost surely, 2^{3203121213012} is an apocalyptic number.

It is an amenable number.

3203121213012 is an abundant number, since it is smaller than the sum of its proper divisors (5421464082860).

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

3203121213012 is a wasteful number, since it uses less digits than its factorization.

3203121213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370217548 (or 370217546 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3203121213012 its reverse (2103121213023), we get a palindrome (5306242426035).

The spelling of 3203121213012 in words is "three trillion, two hundred three billion, one hundred twenty-one million, two hundred thirteen thousand, twelve".