121320233010 has 24 divisors (see below), whose sum is σ = 315432606060. Its totient is φ = 32352062112.

The previous prime is 121320233009. The next prime is 121320233011. The reversal of 121320233010 is 10332023121.

121320233010 is a `hidden beast` number, since 1 + 2 + 1 + 320 + 2 + 330 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (121320233009) and next prime (121320233011).

It can be written as a sum of positive squares in 2 ways, for example, as 108866342601 + 12453890409 = 329949^2 + 111597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121320233011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674001205 + ... + 674001384.

Almost surely, 2^121320233010 is an apocalyptic number.

121320233010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320233010 is an abundant number, since it is smaller than the sum of its proper divisors (194112373050).

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

121320233010 is a wasteful number, since it uses less digits than its factorization.

121320233010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348002602 (or 1348002599 counting only the distinct ones).

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

Adding to 121320233010 its reverse (10332023121), we get a palindrome (131652256131).

The spelling of 121320233010 in words is "one hundred twenty-one billion, three hundred twenty million, two hundred thirty-three thousand, ten".