122140306651 has 16 divisors (see below), whose sum is σ = 136768798080. Its totient is φ = 108134466880.

The previous prime is 122140306627. The next prime is 122140306697. The reversal of 122140306651 is 156603041221.

It is a happy number.

It is not a de Polignac number, because 122140306651 - 2⁷ = 122140306523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122140306601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809986 + ... + 948871.

It is an arithmetic number, because the mean of its divisors is an integer number (8548049880).

Almost surely, 2^122140306651 is an apocalyptic number.

122140306651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122140306651 is a deficient number, since it is larger than the sum of its proper divisors (14628491429).

122140306651 is a wasteful number, since it uses less digits than its factorization.

122140306651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759034.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 122140306651 its reverse (156603041221), we get a palindrome (278743347872).

The spelling of 122140306651 in words is "one hundred twenty-two billion, one hundred forty million, three hundred six thousand, six hundred fifty-one".