2120404040212 has 12 divisors (see below), whose sum is σ = 3743545186836. Its totient is φ = 1050819701120.

The previous prime is 2120404040201. The next prime is 2120404040221.

2120404040212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 108449027856 + 2011955012356 = 329316^2 + 1418434^2 .

It is a super-2 number, since 2×2120404040212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345579239 + ... + 2345580142.

It is an arithmetic number, because the mean of its divisors is an integer number (311962098903).

Almost surely, 2^{2120404040212} is an apocalyptic number.

It is an amenable number.

2120404040212 is a deficient number, since it is larger than the sum of its proper divisors (1623141146624).

2120404040212 is a wasteful number, since it uses less digits than its factorization.

2120404040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691159498 (or 4691159496 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 2120404040212 by its sum of digits (22), we get a palindrome (46648888884664).

The spelling of 2120404040212 in words is "two trillion, one hundred twenty billion, four hundred four million, forty thousand, two hundred twelve".