120012122021000 has 128 divisors (see below), whose sum is σ = 306432350640000. Its totient is φ = 43630211296000.

The previous prime is 120012122020957. The next prime is 120012122021101. The reversal of 120012122021000 is 120221210021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44211026 + ... + 46846974.

It is an arithmetic number, because the mean of its divisors is an integer number (2394002739375).

Almost surely, 2^{120012122021000} is an apocalyptic number.

120012122021000 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 120012122021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153216175320000).

120012122021000 is an abundant number, since it is smaller than the sum of its proper divisors (186420228619000).

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

120012122021000 is a wasteful number, since it uses less digits than its factorization.

120012122021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640120 (or 2640106 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120012122021000 its reverse (120221210021), we get a palindrome (120132343231021).

The spelling of 120012122021000 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-two million, twenty-one thousand".