121320313313000 has 64 divisors (see below), whose sum is σ = 296232556389120. Its totient is φ = 46418206824000.

The previous prime is 121320313312999. The next prime is 121320313313009. The reversal of 121320313313000 is 313313023121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (121320313313009) 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, 2637375116 + ... + 2637421115.

It is an arithmetic number, because the mean of its divisors is an integer number (4628633693580).

Almost surely, 2^{121320313313000} is an apocalyptic number.

121320313313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121320313313000 is an abundant number, since it is smaller than the sum of its proper divisors (174912243076120).

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

121320313313000 is a wasteful number, since it uses less digits than its factorization.

121320313313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274796275 (or 5274796261 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121320313313000 its reverse (313313023121), we get a palindrome (121633626336121).

The spelling of 121320313313000 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred thirteen million, three hundred thirteen thousand".