212273795488 has 24 divisors (see below), whose sum is σ = 436084211808. Its totient is φ = 101522249664.

The previous prime is 212273795483. The next prime is 212273795497. The reversal of 212273795488 is 884597372212.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (212273795483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144207006 + ... + 144208477.

It is an arithmetic number, because the mean of its divisors is an integer number (18170175492).

Almost surely, 2^212273795488 is an apocalyptic number.

It is an amenable number.

212273795488 is an abundant number, since it is smaller than the sum of its proper divisors (223810416320).

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

212273795488 is a wasteful number, since it uses less digits than its factorization.

212273795488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288415516 (or 288415508 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The spelling of 212273795488 in words is "two hundred twelve billion, two hundred seventy-three million, seven hundred ninety-five thousand, four hundred eighty-eight".