2123612998 has 8 divisors (see below), whose sum is σ = 3430451808. Its totient is φ = 980129064.

The previous prime is 2123612989. The next prime is 2123613013. The reversal of 2123612998 is 8992163212.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40838686 + ... + 40838737.

It is an arithmetic number, because the mean of its divisors is an integer number (428806476).

Almost surely, 2^2123612998 is an apocalyptic number.

2123612998 is a deficient number, since it is larger than the sum of its proper divisors (1306838810).

2123612998 is a wasteful number, since it uses less digits than its factorization.

2123612998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81677438.

The product of its digits is 93312, while the sum is 43.

The square root of 2123612998 is about 46082.6756818655. The cubic root of 2123612998 is about 1285.3610189431.

The spelling of 2123612998 in words is "two billion, one hundred twenty-three million, six hundred twelve thousand, nine hundred ninety-eight".