2123131320002 has 16 divisors (see below), whose sum is σ = 3970531300032. Its totient is φ = 827194020720.

The previous prime is 2123131320001. The next prime is 2123131320017. The reversal of 2123131320002 is 2000231313212.

It is not an unprimeable number, because it can be changed into a prime (2123131320001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6893283353 + ... + 6893283660.

It is an arithmetic number, because the mean of its divisors is an integer number (248158206252).

Almost surely, 2^{2123131320002} is an apocalyptic number.

2123131320002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123131320002 is a deficient number, since it is larger than the sum of its proper divisors (1847399980030).

2123131320002 is a wasteful number, since it uses less digits than its factorization.

2123131320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13786567033.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2123131320002 its reverse (2000231313212), we get a palindrome (4123362633214).

The spelling of 2123131320002 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred twenty thousand, two".