123011133202 has 16 divisors (see below), whose sum is σ = 186133464000. Its totient is φ = 60968944080.

The previous prime is 123011133053. The next prime is 123011133233. The reversal of 123011133202 is 202331110321.

It is a self number, because there is not a number n which added to its sum of digits gives 123011133202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467424 + ... + 681547.

It is an arithmetic number, because the mean of its divisors is an integer number (11633341500).

Almost surely, 2^123011133202 is an apocalyptic number.

123011133202 is a deficient number, since it is larger than the sum of its proper divisors (63122330798).

123011133202 is a wasteful number, since it uses less digits than its factorization.

123011133202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149441.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123011133202 its reverse (202331110321), we get a palindrome (325342243523).

The spelling of 123011133202 in words is "one hundred twenty-three billion, eleven million, one hundred thirty-three thousand, two hundred two".