120001124100 has 144 divisors (see below), whose sum is σ = 407903267520. Its totient is φ = 26853388800.

The previous prime is 120001124099. The next prime is 120001124137. The reversal of 120001124100 is 1421100021.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1355715 + ... + 1441514.

It is an arithmetic number, because the mean of its divisors is an integer number (2832661580).

Almost surely, 2^120001124100 is an apocalyptic number.

120001124100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001124100 is an abundant number, since it is smaller than the sum of its proper divisors (287902143420).

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

120001124100 is a wasteful number, since it uses less digits than its factorization.

120001124100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797270 (or 2797263 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120001124100 its reverse (1421100021), we get a palindrome (121422224121).

The spelling of 120001124100 in words is "one hundred twenty billion, one million, one hundred twenty-four thousand, one hundred".