120000211211100 has 288 divisors, whose sum is σ = 383212430334720. Its totient is φ = 28749650688000.

The previous prime is 120000211211057. The next prime is 120000211211113. The reversal of 120000211211100 is 1112112000021.

It is a super-2 number, since 2×120000211211100² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 590529114 + ... + 590732286.

It is an arithmetic number, because the mean of its divisors is an integer number (1330598716440).

Almost surely, 2^{120000211211100} is an apocalyptic number.

120000211211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120000211211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191606215167360).

120000211211100 is an abundant number, since it is smaller than the sum of its proper divisors (263212219123620).

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

120000211211100 is a wasteful number, since it uses less digits than its factorization.

120000211211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205301 (or 205294 counting only the distinct ones).

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

Adding to 120000211211100 its reverse (1112112000021), we get a palindrome (121112323211121).

The spelling of 120000211211100 in words is "one hundred twenty trillion, two hundred eleven million, two hundred eleven thousand, one hundred".