122136002720 has 48 divisors (see below), whose sum is σ = 288594690048. Its totient is φ = 48846209280.

The previous prime is 122136002707. The next prime is 122136002731. The reversal of 122136002720 is 27200631221.

It is a self number, because there is not a number n which added to its sum of digits gives 122136002720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942497 + ... + 1064223.

It is an arithmetic number, because the mean of its divisors is an integer number (6012389376).

Almost surely, 2^122136002720 is an apocalyptic number.

122136002720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122136002720 is an abundant number, since it is smaller than the sum of its proper divisors (166458687328).

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

122136002720 is a wasteful number, since it uses less digits than its factorization.

122136002720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128013 (or 128005 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 122136002720 its reverse (27200631221), we get a palindrome (149336633941).

The spelling of 122136002720 in words is "one hundred twenty-two billion, one hundred thirty-six million, two thousand, seven hundred twenty".