121321001302 has 32 divisors (see below), whose sum is σ = 194163609600. Its totient is φ = 56689617600.

The previous prime is 121321001273. The next prime is 121321001309. The reversal of 121321001302 is 203100123121.

It is a super-3 number, since 3×121321001302³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321001309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416027 + ... + 1499257.

It is an arithmetic number, because the mean of its divisors is an integer number (6067612800).

Almost surely, 2^121321001302 is an apocalyptic number.

121321001302 is a deficient number, since it is larger than the sum of its proper divisors (72842608298).

121321001302 is a wasteful number, since it uses less digits than its factorization.

121321001302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83772.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121321001302 its reverse (203100123121), we get a palindrome (324421124423).

The spelling of 121321001302 in words is "one hundred twenty-one billion, three hundred twenty-one million, one thousand, three hundred two".