121302031302 has 48 divisors (see below), whose sum is σ = 288587858832. Its totient is φ = 38055536640.

The previous prime is 121302031297. The next prime is 121302031307. The reversal of 121302031302 is 203130203121.

It is an interprime number because it is at equal distance from previous prime (121302031297) and next prime (121302031307).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302031307) 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 23 ways as a sum of consecutive naturals, for example, 7332699 + ... + 7349222.

It is an arithmetic number, because the mean of its divisors is an integer number (6012247059).

Almost surely, 2^121302031302 is an apocalyptic number.

121302031302 is an abundant number, since it is smaller than the sum of its proper divisors (167285827530).

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

121302031302 is a wasteful number, since it uses less digits than its factorization.

121302031302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14681955 (or 14681943 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121302031302 its reverse (203130203121), we get a palindrome (324432234423).

The spelling of 121302031302 in words is "one hundred twenty-one billion, three hundred two million, thirty-one thousand, three hundred two".