212974726494 has 16 divisors (see below), whose sum is σ = 440637365520. Its totient is φ = 68543590080.

The previous prime is 212974726469. The next prime is 212974726519. The reversal of 212974726494 is 494627479212.

212974726494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212974726469) and next prime (212974726519).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611996167 + ... + 611996514.

It is an arithmetic number, because the mean of its divisors is an integer number (27539835345).

Almost surely, 2^212974726494 is an apocalyptic number.

212974726494 is an abundant number, since it is smaller than the sum of its proper divisors (227662639026).

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

212974726494 is a wasteful number, since it uses less digits than its factorization.

212974726494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223992715.

The product of its digits is 12192768, while the sum is 57.

The spelling of 212974726494 in words is "two hundred twelve billion, nine hundred seventy-four million, seven hundred twenty-six thousand, four hundred ninety-four".