2212406402356 has 6 divisors (see below), whose sum is σ = 3871711204130. Its totient is φ = 1106203201176.

The previous prime is 2212406402329. The next prime is 2212406402407. The reversal of 2212406402356 is 6532046042122.

It can be written as a sum of positive squares in only one way, i.e., 1990593661456 + 221812740900 = 1410884^2 + 470970^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276550800291 + ... + 276550800298.

Almost surely, 2^{2212406402356} is an apocalyptic number.

It is an amenable number.

2212406402356 is a deficient number, since it is larger than the sum of its proper divisors (1659304801774).

2212406402356 is a wasteful number, since it uses less digits than its factorization.

2212406402356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553101600593 (or 553101600591 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 2212406402356 in words is "two trillion, two hundred twelve billion, four hundred six million, four hundred two thousand, three hundred fifty-six".