120001211120 has 80 divisors (see below), whose sum is σ = 326275783680. Its totient is φ = 40186444032.

The previous prime is 120001211119. The next prime is 120001211137. The reversal of 120001211120 is 21112100021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467640 + ... + 2515799.

It is an arithmetic number, because the mean of its divisors is an integer number (4078447296).

Almost surely, 2^120001211120 is an apocalyptic number.

120001211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001211120 is an abundant number, since it is smaller than the sum of its proper divisors (206274572560).

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

120001211120 is a wasteful number, since it uses less digits than its factorization.

120001211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983502 (or 4983496 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001211120 its reverse (21112100021), we get a palindrome (141113311141).

The spelling of 120001211120 in words is "one hundred twenty billion, one million, two hundred eleven thousand, one hundred twenty".