2021032121212 has 36 divisors (see below), whose sum is σ = 3836672546616. Its totient is φ = 931109225280.

The previous prime is 2021032121197. The next prime is 2021032121261. The reversal of 2021032121212 is 2121212301202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021032121212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307214 + ... + 3060277.

It is an arithmetic number, because the mean of its divisors is an integer number (106574237406).

Almost surely, 2^{2021032121212} is an apocalyptic number.

It is an amenable number.

2021032121212 is a deficient number, since it is larger than the sum of its proper divisors (1815640425404).

2021032121212 is a wasteful number, since it uses less digits than its factorization.

2021032121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368078 (or 5368063 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2021032121212 its reverse (2121212301202), we get a palindrome (4142244422414).

The spelling of 2021032121212 in words is "two trillion, twenty-one billion, thirty-two million, one hundred twenty-one thousand, two hundred twelve".