2120975695642 has 8 divisors (see below), whose sum is σ = 3181469882976. Its totient is φ = 1060485734652.

The previous prime is 2120975695627. The next prime is 2120975695669. The reversal of 2120975695642 is 2465965790212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993883 + ... + 2286865.

It is an arithmetic number, because the mean of its divisors is an integer number (397683735372).

Almost surely, 2^{2120975695642} is an apocalyptic number.

2120975695642 is a deficient number, since it is larger than the sum of its proper divisors (1060494187334).

2120975695642 is a wasteful number, since it uses less digits than its factorization.

2120975695642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113172.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 2120975695642 in words is "two trillion, one hundred twenty billion, nine hundred seventy-five million, six hundred ninety-five thousand, six hundred forty-two".