2206155216312 has 40 divisors (see below), whose sum is σ = 6179277343800. Its totient is φ = 735385071888.

The previous prime is 2206155216311. The next prime is 2206155216359. The reversal of 2206155216312 is 2136125516022.

2206155216312 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 15 + 5 + 2 + 1 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206155216311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1702279612 + ... + 1702280907.

It is an arithmetic number, because the mean of its divisors is an integer number (154481933595).

Almost surely, 2^{2206155216312} is an apocalyptic number.

It is an amenable number.

2206155216312 is an abundant number, since it is smaller than the sum of its proper divisors (3973122127488).

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

2206155216312 is a wasteful number, since it uses less digits than its factorization.

2206155216312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404560537 (or 3404560524 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 2206155216312 in words is "two trillion, two hundred six billion, one hundred fifty-five million, two hundred sixteen thousand, three hundred twelve".