122211662918440 has 64 divisors (see below), whose sum is σ = 275258392456320. Its totient is φ = 48834514848000.

The previous prime is 122211662918417. The next prime is 122211662918441. The reversal of 122211662918440 is 44819266112221.

It is not an unprimeable number, because it can be changed into a prime (122211662918441) 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, 411420370 + ... + 411717310.

It is an arithmetic number, because the mean of its divisors is an integer number (4300912382130).

Almost surely, 2^{122211662918440} is an apocalyptic number.

122211662918440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211662918440 is an abundant number, since it is smaller than the sum of its proper divisors (153046729537880).

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

122211662918440 is a wasteful number, since it uses less digits than its factorization.

122211662918440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307474 (or 307470 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 122211662918440 in words is "one hundred twenty-two trillion, two hundred eleven billion, six hundred sixty-two million, nine hundred eighteen thousand, four hundred forty".