3212120020 has 12 divisors (see below), whose sum is σ = 6745452084. Its totient is φ = 1284848000.

The previous prime is 3212119997. The next prime is 3212120027. The reversal of 3212120020 is 200212123.

It can be written as a sum of positive squares in 2 ways, for example, as 2427335824 + 784784196 = 49268^2 + 28014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212120027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80302981 + ... + 80303020.

It is an arithmetic number, because the mean of its divisors is an integer number (562121007).

Almost surely, 2^3212120020 is an apocalyptic number.

It is an amenable number.

3212120020 is an abundant number, since it is smaller than the sum of its proper divisors (3533332064).

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

3212120020 is a wasteful number, since it uses less digits than its factorization.

3212120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160606010 (or 160606008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3212120020 is about 56675.5681047839. The cubic root of 3212120020 is about 1475.4706945548.

Adding to 3212120020 its reverse (200212123), we get a palindrome (3412332143).

The spelling of 3212120020 in words is "three billion, two hundred twelve million, one hundred twenty thousand, twenty".