12203550142 has 32 divisors (see below), whose sum is σ = 21136711680. Its totient is φ = 5176211040.

The previous prime is 12203550127. The next prime is 12203550173. The reversal of 12203550142 is 24105530221.

It is a congruent 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, 736792 + ... + 753172.

It is an arithmetic number, because the mean of its divisors is an integer number (660522240).

Almost surely, 2^12203550142 is an apocalyptic number.

12203550142 is a deficient number, since it is larger than the sum of its proper divisors (8933161538).

12203550142 is a wasteful number, since it uses less digits than its factorization.

12203550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16936.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 12203550142 in words is "twelve billion, two hundred three million, five hundred fifty thousand, one hundred forty-two".