212040962418 has 16 divisors (see below), whose sum is σ = 425463302880. Its totient is φ = 70450091136.

The previous prime is 212040962363. The next prime is 212040962443. The reversal of 212040962418 is 814269040212.

It is a super-2 number, since 2×212040962418² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57555423 + ... + 57559106.

It is an arithmetic number, because the mean of its divisors is an integer number (26591456430).

Almost surely, 2^212040962418 is an apocalyptic number.

212040962418 is an abundant number, since it is smaller than the sum of its proper divisors (213422340462).

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

212040962418 is a wasteful number, since it uses less digits than its factorization.

212040962418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115114841.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 212040962418 in words is "two hundred twelve billion, forty million, nine hundred sixty-two thousand, four hundred eighteen".