120143442100 has 72 divisors (see below), whose sum is σ = 301142475648. Its totient is φ = 41118604800.

The previous prime is 120143442061. The next prime is 120143442161. The reversal of 120143442100 is 1244341021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3193692 + ... + 3231091.

It is an arithmetic number, because the mean of its divisors is an integer number (4182534384).

Almost surely, 2^120143442100 is an apocalyptic number.

120143442100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120143442100 is an abundant number, since it is smaller than the sum of its proper divisors (180999033548).

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

120143442100 is a wasteful number, since it uses less digits than its factorization.

120143442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424825 (or 6424818 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 120143442100 its reverse (1244341021), we get a palindrome (121387783121).

The spelling of 120143442100 in words is "one hundred twenty billion, one hundred forty-three million, four hundred forty-two thousand, one hundred".