2120021202000 has 160 divisors (see below), whose sum is σ = 7360713884160. Its totient is φ = 521851353600.

The previous prime is 2120021201981. The next prime is 2120021202001. The reversal of 2120021202000 is 2021200212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120021202001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13511880 + ... + 13667879.

It is an arithmetic number, because the mean of its divisors is an integer number (46004461776).

Almost surely, 2^{2120021202000} is an apocalyptic number.

2120021202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120021202000 is an abundant number, since it is smaller than the sum of its proper divisors (5240692682160).

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

2120021202000 is a wasteful number, since it uses less digits than its factorization.

2120021202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27179798 (or 27179782 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2120021202000 its reverse (2021200212), we get a palindrome (2122042402212).

The spelling of 2120021202000 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred two thousand".