123021134202 has 32 divisors (see below), whose sum is σ = 260650533312. Its totient is φ = 38574837504.

The previous prime is 123021134153. The next prime is 123021134239. The reversal of 123021134202 is 202431120321.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 114808 + ... + 509139.

It is an arithmetic number, because the mean of its divisors is an integer number (8145329166).

Almost surely, 2^123021134202 is an apocalyptic number.

123021134202 is an abundant number, since it is smaller than the sum of its proper divisors (137629399110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123021134202 is a wasteful number, since it uses less digits than its factorization.

123021134202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625902.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123021134202 its reverse (202431120321), we get a palindrome (325452254523).

The spelling of 123021134202 in words is "one hundred twenty-three billion, twenty-one million, one hundred thirty-four thousand, two hundred two".