121536316036 has 6 divisors (see below), whose sum is σ = 212688553070. Its totient is φ = 60768158016.

The previous prime is 121536315991. The next prime is 121536316049. The reversal of 121536316036 is 630613635121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119858594436 + 1677721600 = 346206^2 + 40960^2 .

It is a super-2 number, since 2×121536316036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121536315986 and 121536316004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15192039501 + ... + 15192039508.

Almost surely, 2^121536316036 is an apocalyptic number.

It is an amenable number.

121536316036 is a deficient number, since it is larger than the sum of its proper divisors (91152237034).

121536316036 is a wasteful number, since it uses less digits than its factorization.

121536316036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30384079013 (or 30384079011 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 121536316036 in words is "one hundred twenty-one billion, five hundred thirty-six million, three hundred sixteen thousand, thirty-six".