212311101333020 has 24 divisors (see below), whose sum is σ = 445853781571968. Its totient is φ = 84924351243200.

The previous prime is 212311101332947. The next prime is 212311101333073. The reversal of 212311101333020 is 20333101113212.

It is a congruent number.

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, 15941525 + ... + 26052915.

It is an arithmetic number, because the mean of its divisors is an integer number (18577240898832).

Almost surely, 2^{212311101333020} is an apocalyptic number.

212311101333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212311101333020 is an abundant number, since it is smaller than the sum of its proper divisors (233542680238948).

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

212311101333020 is a wasteful number, since it uses less digits than its factorization.

212311101333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161261 (or 11161259 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 212311101333020 its reverse (20333101113212), we get a palindrome (232644202446232).

The spelling of 212311101333020 in words is "two hundred twelve trillion, three hundred eleven billion, one hundred one million, three hundred thirty-three thousand, twenty".