121560622036 has 12 divisors (see below), whose sum is σ = 243121244128. Its totient is φ = 52097409432.

The previous prime is 121560622009. The next prime is 121560622037. The reversal of 121560622036 is 630226065121.

121560622036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121560621992 and 121560622010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121560622037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170725366 + ... + 2170725421.

Almost surely, 2^121560622036 is an apocalyptic number.

It is an amenable number.

121560622036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121560622036 is a wasteful number, since it uses less digits than its factorization.

121560622036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341450798 (or 4341450796 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 121560622036 its reverse (630226065121), we get a palindrome (751786687157).

The spelling of 121560622036 in words is "one hundred twenty-one billion, five hundred sixty million, six hundred twenty-two thousand, thirty-six".