213444166462122 has 16 divisors (see below), whose sum is σ = 427932069684480. Its totient is φ = 70974099360672.

The previous prime is 213444166462081. The next prime is 213444166462147. The reversal of 213444166462122 is 221264661444312.

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, 43489029018 + ... + 43489033925.

It is an arithmetic number, because the mean of its divisors is an integer number (26745754355280).

Almost surely, 2^{213444166462122} is an apocalyptic number.

213444166462122 is an abundant number, since it is smaller than the sum of its proper divisors (214487903222358).

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

213444166462122 is a wasteful number, since it uses less digits than its factorization.

213444166462122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86978063357.

The product of its digits is 2654208, while the sum is 48.

The spelling of 213444166462122 in words is "two hundred thirteen trillion, four hundred forty-four billion, one hundred sixty-six million, four hundred sixty-two thousand, one hundred twenty-two".