121330213000000 has 98 divisors (see below), whose sum is σ = 300951952023518. Its totient is φ = 48532084800000.

The previous prime is 121330212999967. The next prime is 121330213000049. The reversal of 121330213000000 is 312033121.

It can be written as a sum of positive squares in 7 ways, for example, as 121325995276864 + 4217723136 = 11014808^2 + 64944^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 59665107 + ... + 61665106.

Almost surely, 2^{121330213000000} is an apocalyptic number.

121330213000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330213000000 is an abundant number, since it is smaller than the sum of its proper divisors (179621739023518).

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

121330213000000 is an frugal number, since it uses more digits than its factorization.

121330213000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121330255 (or 121330220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121330213000000 its reverse (312033121), we get a palindrome (121330525033121).

The spelling of 121330213000000 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred thirteen million", and thus it is an aban number.