211112133213212 has 48 divisors (see below), whose sum is σ = 461231577058560. Its totient is φ = 82140179328000.

The previous prime is 211112133213211. The next prime is 211112133213283. The reversal of 211112133213212 is 212312331211112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112133213211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463526789 + ... + 463982012.

It is an arithmetic number, because the mean of its divisors is an integer number (9608991188720).

Almost surely, 2^{211112133213212} is an apocalyptic number.

211112133213212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211112133213212 is an abundant number, since it is smaller than the sum of its proper divisors (250119443845348).

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

211112133213212 is a wasteful number, since it uses less digits than its factorization.

211112133213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927509562 (or 927509560 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

Adding to 211112133213212 its reverse (212312331211112), we get a palindrome (423424464424324).

The spelling of 211112133213212 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred twelve".