2021303231212 has 24 divisors (see below), whose sum is σ = 3552659955936. Its totient is φ = 1006258013568.

The previous prime is 2021303231113. The next prime is 2021303231239. The reversal of 2021303231212 is 2121323031202.

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, 20401458 + ... + 20500294.

It is an arithmetic number, because the mean of its divisors is an integer number (148027498164).

Almost surely, 2^{2021303231212} is an apocalyptic number.

It is an amenable number.

2021303231212 is a deficient number, since it is larger than the sum of its proper divisors (1531356724724).

2021303231212 is a wasteful number, since it uses less digits than its factorization.

2021303231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121017 (or 121015 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2021303231212 its reverse (2121323031202), we get a palindrome (4142626262414).

The spelling of 2021303231212 in words is "two trillion, twenty-one billion, three hundred three million, two hundred thirty-one thousand, two hundred twelve".