2120211010012 has 12 divisors (see below), whose sum is σ = 3755072512296. Its totient is φ = 1047333149360.

The previous prime is 2120211010003. The next prime is 2120211010037. The reversal of 2120211010012 is 2100101120212.

It is a super-2 number, since 2×2120211010012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120211009974 and 2120211010001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193088539 + ... + 3193089202.

It is an arithmetic number, because the mean of its divisors is an integer number (312922709358).

Almost surely, 2^{2120211010012} is an apocalyptic number.

It is an amenable number.

2120211010012 is a deficient number, since it is larger than the sum of its proper divisors (1634861502284).

2120211010012 is a wasteful number, since it uses less digits than its factorization.

2120211010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386177828 (or 6386177826 counting only the distinct ones).

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

Adding to 2120211010012 its reverse (2100101120212), we get a palindrome (4220312130224).

The spelling of 2120211010012 in words is "two trillion, one hundred twenty billion, two hundred eleven million, ten thousand, twelve".