122069769640 has 64 divisors (see below), whose sum is σ = 338039372160. Its totient is φ = 38633068800.

The previous prime is 122069769637. The next prime is 122069769641. The reversal of 122069769640 is 46967960221.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (122069769641) 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, 16764186 + ... + 16771465.

It is an arithmetic number, because the mean of its divisors is an integer number (5281865190).

Almost surely, 2^122069769640 is an apocalyptic number.

122069769640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122069769640 is an abundant number, since it is smaller than the sum of its proper divisors (215969602520).

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

122069769640 is a wasteful number, since it uses less digits than its factorization.

122069769640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535682 (or 33535678 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 122069769640 in words is "one hundred twenty-two billion, sixty-nine million, seven hundred sixty-nine thousand, six hundred forty".