2120211001012 has 12 divisors (see below), whose sum is σ = 3995782271236. Its totient is φ = 978558923520.

The previous prime is 2120211000979. The next prime is 2120211001019. The reversal of 2120211001012 is 2101001120212.

It can be written as a sum of positive squares in 2 ways, for example, as 157987170576 + 1962223830436 = 397476^2 + 1400794^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2120211000983 and 2120211001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211001019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20386644189 + ... + 20386644292.

Almost surely, 2^{2120211001012} is an apocalyptic number.

It is an amenable number.

2120211001012 is a deficient number, since it is larger than the sum of its proper divisors (1875571270224).

2120211001012 is a wasteful number, since it uses less digits than its factorization.

2120211001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40773288498 (or 40773288496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120211001012 its reverse (2101001120212), we get a palindrome (4221212121224).

The spelling of 2120211001012 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one thousand, twelve".