120001221112010 has 96 divisors (see below), whose sum is σ = 267059920976640. Its totient is φ = 38575846353408.

The previous prime is 120001221111971. The next prime is 120001221112067. The reversal of 120001221112010 is 10211122100021.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 25196870 + ... + 29578449.

It is an arithmetic number, because the mean of its divisors is an integer number (2781874176840).

Almost surely, 2^{120001221112010} is an apocalyptic number.

120001221112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001221112010 is an abundant number, since it is smaller than the sum of its proper divisors (147058699864630).

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

120001221112010 is a wasteful number, since it uses less digits than its factorization.

120001221112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54775620 (or 54775613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120001221112010 its reverse (10211122100021), we get a palindrome (130212343212031).

The spelling of 120001221112010 in words is "one hundred twenty trillion, one billion, two hundred twenty-one million, one hundred twelve thousand, ten".