123213020002 has 16 divisors (see below), whose sum is σ = 195912935712. Its totient is φ = 57916918080.

The previous prime is 123213019981. The next prime is 123213020009. The reversal of 123213020002 is 200020312321.

It is not an unprimeable number, because it can be changed into a prime (123213020009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2022024 + ... + 2082067.

It is an arithmetic number, because the mean of its divisors is an integer number (12244558482).

Almost surely, 2^123213020002 is an apocalyptic number.

123213020002 is a deficient number, since it is larger than the sum of its proper divisors (72699915710).

123213020002 is a wasteful number, since it uses less digits than its factorization.

123213020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104993.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123213020002 its reverse (200020312321), we get a palindrome (323233332323).

The spelling of 123213020002 in words is "one hundred twenty-three billion, two hundred thirteen million, twenty thousand, two".