122147503140 has 48 divisors (see below), whose sum is σ = 368321704128. Its totient is φ = 30067077504.

The previous prime is 122147503129. The next prime is 122147503157. The reversal of 122147503140 is 41305741221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122147503098 and 122147503107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78298902 + ... + 78300461.

It is an arithmetic number, because the mean of its divisors is an integer number (7673368836).

Almost surely, 2^122147503140 is an apocalyptic number.

122147503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122147503140 is an abundant number, since it is smaller than the sum of its proper divisors (246174200988).

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

122147503140 is a wasteful number, since it uses less digits than its factorization.

122147503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156599388 (or 156599386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 122147503140 in words is "one hundred twenty-two billion, one hundred forty-seven million, five hundred three thousand, one hundred forty".