2122106515672 has 48 divisors (see below), whose sum is σ = 4700254781880. Its totient is φ = 890394336000.

The previous prime is 2122106515619. The next prime is 2122106515699. The reversal of 2122106515672 is 2765156012212.

It is a happy number.

It is a super-3 number, since 3×2122106515672³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 11 ways as a sum of consecutive naturals, for example, 71330829 + ... + 71360572.

Almost surely, 2^{2122106515672} is an apocalyptic number.

2122106515672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122106515672 is an abundant number, since it is smaller than the sum of its proper divisors (2578148266208).

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

2122106515672 is a wasteful number, since it uses less digits than its factorization.

2122106515672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142691444 (or 142691427 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 2122106515672 in words is "two trillion, one hundred twenty-two billion, one hundred six million, five hundred fifteen thousand, six hundred seventy-two".