121310103020032 has 40 divisors (see below), whose sum is σ = 242410305980700. Its totient is φ = 60648286470144.

The previous prime is 121310103019969. The next prime is 121310103020033. The reversal of 121310103020032 is 230020301013121.

It can be written as a sum of positive squares in 2 ways, for example, as 106499427860736 + 14810675159296 = 10319856^2 + 3848464^2 .

It is a super-2 number, since 2×121310103020032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121310103019991 and 121310103020009.

It is not an unprimeable number, because it can be changed into a prime (121310103020033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8616357 + ... + 17800612.

Almost surely, 2^{121310103020032} is an apocalyptic number.

It is an amenable number.

121310103020032 is a deficient number, since it is larger than the sum of its proper divisors (121100202960668).

121310103020032 is an frugal number, since it uses more digits than its factorization.

121310103020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26425956 (or 26425940 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121310103020032 its reverse (230020301013121), we get a palindrome (351330404033153).

The spelling of 121310103020032 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, twenty thousand, thirty-two".