122144502051 has 24 divisors (see below), whose sum is σ = 207275520816. Its totient is φ = 68332587840.

The previous prime is 122144502047. The next prime is 122144502113. The reversal of 122144502051 is 150205441221.

It is a happy number.

122144502051 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 4 + 450 + 205 + 1 = 666.

It is not a de Polignac number, because 122144502051 - 2² = 122144502047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122144509051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47451900 + ... + 47454473.

It is an arithmetic number, because the mean of its divisors is an integer number (8636480034).

Almost surely, 2^122144502051 is an apocalyptic number.

122144502051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122144502051 is a deficient number, since it is larger than the sum of its proper divisors (85131018765).

122144502051 is a wasteful number, since it uses less digits than its factorization.

122144502051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94906403 (or 94906400 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 122144502051 its reverse (150205441221), we get a palindrome (272349943272).

The spelling of 122144502051 in words is "one hundred twenty-two billion, one hundred forty-four million, five hundred two thousand, fifty-one".