121302100432 has 20 divisors (see below), whose sum is σ = 235366944480. Its totient is φ = 60562243808.

The previous prime is 121302100429. The next prime is 121302100433. The reversal of 121302100432 is 234001203121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302100433) 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, 5539132 + ... + 5560987.

It is an arithmetic number, because the mean of its divisors is an integer number (11768347224).

Almost surely, 2^121302100432 is an apocalyptic number.

It is an amenable number.

121302100432 is a deficient number, since it is larger than the sum of its proper divisors (114064844048).

121302100432 is a wasteful number, since it uses less digits than its factorization.

121302100432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100810 (or 11100804 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121302100432 its reverse (234001203121), we get a palindrome (355303303553).

The spelling of 121302100432 in words is "one hundred twenty-one billion, three hundred two million, one hundred thousand, four hundred thirty-two".