122277451364651 has 16 divisors (see below), whose sum is σ = 133431820154880. Its totient is φ = 111129457934880.

The previous prime is 122277451364569. The next prime is 122277451364671. The reversal of 122277451364651 is 156463154772221.

It is not a de Polignac number, because 122277451364651 - 2³⁸ = 122002573457707 is a prime.

It is a super-2 number, since 2×122277451364651² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122277451364671) 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, 1280787020 + ... + 1280882486.

It is an arithmetic number, because the mean of its divisors is an integer number (8339488759680).

Almost surely, 2^{122277451364651} is an apocalyptic number.

122277451364651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122277451364651 is a deficient number, since it is larger than the sum of its proper divisors (11154368790229).

122277451364651 is a wasteful number, since it uses less digits than its factorization.

122277451364651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127634.

The product of its digits is 16934400, while the sum is 56.

The spelling of 122277451364651 in words is "one hundred twenty-two trillion, two hundred seventy-seven billion, four hundred fifty-one million, three hundred sixty-four thousand, six hundred fifty-one".