1230123221002 has 32 divisors (see below), whose sum is σ = 1993458297600. Its totient is φ = 565940124288.

The previous prime is 1230123220957. The next prime is 1230123221039. The reversal of 1230123221002 is 2001223210321.

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, 24401899 + ... + 24452257.

It is an arithmetic number, because the mean of its divisors is an integer number (62295571800).

Almost surely, 2^{1230123221002} is an apocalyptic number.

1230123221002 is a deficient number, since it is larger than the sum of its proper divisors (763335076598).

1230123221002 is a wasteful number, since it uses less digits than its factorization.

1230123221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53350.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1230123221002 its reverse (2001223210321), we get a palindrome (3231346431323).

The spelling of 1230123221002 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, two hundred twenty-one thousand, two".