122162562540 has 72 divisors (see below), whose sum is σ = 372701832048. Its totient is φ = 32388370560.

The previous prime is 122162562539. The next prime is 122162562589. The reversal of 122162562540 is 45265261221.

122162562540 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 6 + 25 + 625 + 4 + 0 = 666.

It is a super-2 number, since 2×122162562540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 122162562495 and 122162562504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930366 + ... + 1992645.

It is an arithmetic number, because the mean of its divisors is an integer number (5176414334).

Almost surely, 2^122162562540 is an apocalyptic number.

122162562540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122162562540 is an abundant number, since it is smaller than the sum of its proper divisors (250539269508).

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

122162562540 is a wasteful number, since it uses less digits than its factorization.

122162562540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923199 (or 3923194 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 122162562540 in words is "one hundred twenty-two billion, one hundred sixty-two million, five hundred sixty-two thousand, five hundred forty".