120001231213320 has 64 divisors (see below), whose sum is σ = 360004584392640. Its totient is φ = 32000249145600.

The previous prime is 120001231213289. The next prime is 120001231213321. The reversal of 120001231213320 is 23312132100021.

It is not an unprimeable number, because it can be changed into a prime (120001231213321) 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, 60069750 + ... + 62035290.

It is an arithmetic number, because the mean of its divisors is an integer number (5625071631135).

Almost surely, 2^{120001231213320} is an apocalyptic number.

120001231213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001231213320 is an abundant number, since it is smaller than the sum of its proper divisors (240003353179320).

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

120001231213320 is a wasteful number, since it uses less digits than its factorization.

120001231213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474326 (or 2474322 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120001231213320 its reverse (23312132100021), we get a palindrome (143313363313341).

The spelling of 120001231213320 in words is "one hundred twenty trillion, one billion, two hundred thirty-one million, two hundred thirteen thousand, three hundred twenty".