2122145662506 has 64 divisors (see below), whose sum is σ = 4483919032320. Its totient is φ = 667717344000.

The previous prime is 2122145662489. The next prime is 2122145662513. The reversal of 2122145662506 is 6052665412212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60183381 + ... + 60218631.

It is an arithmetic number, because the mean of its divisors is an integer number (70061234880).

Almost surely, 2^{2122145662506} is an apocalyptic number.

2122145662506 is an abundant number, since it is smaller than the sum of its proper divisors (2361773369814).

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

2122145662506 is a wasteful number, since it uses less digits than its factorization.

2122145662506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37179.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 2122145662506 in words is "two trillion, one hundred twenty-two billion, one hundred forty-five million, six hundred sixty-two thousand, five hundred six".