2123012121202 has 32 divisors (see below), whose sum is σ = 3664105632000. Its totient is φ = 903699037248.

The previous prime is 2123012121179. The next prime is 2123012121211. The reversal of 2123012121202 is 2021212103212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123012121202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61371603 + ... + 61406185.

It is an arithmetic number, because the mean of its divisors is an integer number (114503301000).

Almost surely, 2^{2123012121202} is an apocalyptic number.

2123012121202 is a deficient number, since it is larger than the sum of its proper divisors (1541093510798).

2123012121202 is a wasteful number, since it uses less digits than its factorization.

2123012121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64170.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2123012121202 its reverse (2021212103212), we get a palindrome (4144224224414).

The spelling of 2123012121202 in words is "two trillion, one hundred twenty-three billion, twelve million, one hundred twenty-one thousand, two hundred two".