133312123123210 has 16 divisors (see below), whose sum is σ = 239963416427592. Its totient is φ = 53324494848000.

The previous prime is 133312123123139. The next prime is 133312123123243. The reversal of 133312123123210 is 12321321213331.

It can be written as a sum of positive squares in 4 ways, for example, as 131657655763089 + 1654467360121 = 11474217^2 + 1286261^2 .

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, 42717591 + ... + 45732010.

Almost surely, 2^{133312123123210} is an apocalyptic number.

133312123123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133312123123210 is a deficient number, since it is larger than the sum of its proper divisors (106651293304382).

133312123123210 is a wasteful number, since it uses less digits than its factorization.

133312123123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88600329.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 133312123123210 its reverse (12321321213331), we get a palindrome (145633444336541).

The spelling of 133312123123210 in words is "one hundred thirty-three trillion, three hundred twelve billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred ten".