2102123012002 has 32 divisors (see below), whose sum is σ = 3508158979584. Its totient is φ = 938141568000.

The previous prime is 2102123011999. The next prime is 2102123012053. The reversal of 2102123012002 is 2002103212012.

It is a happy number.

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, 90624 + ... + 2052427.

It is an arithmetic number, because the mean of its divisors is an integer number (109629968112).

Almost surely, 2^{2102123012002} is an apocalyptic number.

2102123012002 is a deficient number, since it is larger than the sum of its proper divisors (1406035967582).

2102123012002 is a wasteful number, since it uses less digits than its factorization.

2102123012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144314.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2102123012002 its reverse (2002103212012), we get a palindrome (4104226224014).

The spelling of 2102123012002 in words is "two trillion, one hundred two billion, one hundred twenty-three million, twelve thousand, two".