120001210111200 has 288 divisors, whose sum is σ = 436506401302272. Its totient is φ = 28381660672000.

The previous prime is 120001210111183. The next prime is 120001210111201. The reversal of 120001210111200 is 2111012100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001210111201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54350532 + ... + 56515331.

It is an arithmetic number, because the mean of its divisors is an integer number (1515647226744).

Almost surely, 2^{120001210111200} is an apocalyptic number.

120001210111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001210111200 is an abundant number, since it is smaller than the sum of its proper divisors (316505191191072).

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

120001210111200 is a wasteful number, since it uses less digits than its factorization.

120001210111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110865938 (or 110865925 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120001210111200 its reverse (2111012100021), we get a palindrome (122112222211221).

The spelling of 120001210111200 in words is "one hundred twenty trillion, one billion, two hundred ten million, one hundred eleven thousand, two hundred".