122136011240 has 64 divisors (see below), whose sum is σ = 276142521600. Its totient is φ = 48617206272.

The previous prime is 122136011213. The next prime is 122136011269. The reversal of 122136011240 is 42110631221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10861541 + ... + 10872779.

It is an arithmetic number, because the mean of its divisors is an integer number (4314726900).

Almost surely, 2^122136011240 is an apocalyptic number.

122136011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122136011240 is an abundant number, since it is smaller than the sum of its proper divisors (154006510360).

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

122136011240 is a wasteful number, since it uses less digits than its factorization.

122136011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546 (or 12542 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122136011240 its reverse (42110631221), we get a palindrome (164246642461).

The spelling of 122136011240 in words is "one hundred twenty-two billion, one hundred thirty-six million, eleven thousand, two hundred forty".