122320552545 has 32 divisors (see below), whose sum is σ = 217520749440. Its totient is φ = 65219031360.

The previous prime is 122320552537. The next prime is 122320552573. The reversal of 122320552545 is 545255023221.

122320552545 is a `hidden beast` number, since 1 + 22 + 32 + 0 + 552 + 54 + 5 = 666.

It is not a de Polignac number, because 122320552545 - 2³ = 122320552537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352830 + ... + 607560.

It is an arithmetic number, because the mean of its divisors is an integer number (6797523420).

Almost surely, 2^122320552545 is an apocalyptic number.

122320552545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122320552545 is a deficient number, since it is larger than the sum of its proper divisors (95200196895).

122320552545 is a wasteful number, since it uses less digits than its factorization.

122320552545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258302 (or 258296 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 122320552545 its reverse (545255023221), we get a palindrome (667575575766).

The spelling of 122320552545 in words is "one hundred twenty-two billion, three hundred twenty million, five hundred fifty-two thousand, five hundred forty-five".