122133121002 has 32 divisors (see below), whose sum is σ = 271469188800. Its totient is φ = 40701702384.

The previous prime is 122133120979. The next prime is 122133121009. The reversal of 122133121002 is 200121331221.

122133121002 is a `hidden beast` number, since 122 + 1 + 331 + 210 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122133121009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19752 + ... + 494627.

It is an arithmetic number, because the mean of its divisors is an integer number (8483412150).

Almost surely, 2^122133121002 is an apocalyptic number.

122133121002 is an abundant number, since it is smaller than the sum of its proper divisors (149336067798).

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

122133121002 is a wasteful number, since it uses less digits than its factorization.

122133121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518787 (or 518781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122133121002 its reverse (200121331221), we get a palindrome (322254452223).

The spelling of 122133121002 in words is "one hundred twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, two".