120001210220000 has 120 divisors (see below), whose sum is σ = 295242136630056. Its totient is φ = 47997043776000.

The previous prime is 120001210219999. The next prime is 120001210220113. The reversal of 120001210220000 is 22012100021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288532199 + ... + 288947801.

Almost surely, 2^{120001210220000} is an apocalyptic number.

120001210220000 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 120001210220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147621068315028).

120001210220000 is an abundant number, since it is smaller than the sum of its proper divisors (175240926410056).

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

120001210220000 is an equidigital number, since it uses as much as digits as its factorization.

120001210220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430070 (or 430047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120001210220000 its reverse (22012100021), we get a palindrome (120023222320021).

The spelling of 120001210220000 in words is "one hundred twenty trillion, one billion, two hundred ten million, two hundred twenty thousand".