2271020115612 has 12 divisors (see below), whose sum is σ = 5299046936456. Its totient is φ = 757006705200.

The previous prime is 2271020115593. The next prime is 2271020115619. The reversal of 2271020115612 is 2165110201722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2271020115612² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2271020115612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271020115619) 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, 94625838139 + ... + 94625838162.

Almost surely, 2^{2271020115612} is an apocalyptic number.

It is an amenable number.

2271020115612 is an abundant number, since it is smaller than the sum of its proper divisors (3028026820844).

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

2271020115612 is a wasteful number, since it uses less digits than its factorization.

2271020115612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189251676308 (or 189251676306 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 2271020115612 in words is "two trillion, two hundred seventy-one billion, twenty million, one hundred fifteen thousand, six hundred twelve".