133242121233402 has 16 divisors (see below), whose sum is σ = 266568333461760. Its totient is φ = 44400025245312.

The previous prime is 133242121233373. The next prime is 133242121233407. The reversal of 133242121233402 is 204332121242331.

It is a happy number.

It is a super-2 number, since 2×133242121233402² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133242121233407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503770858 + ... + 3503808885.

It is an arithmetic number, because the mean of its divisors is an integer number (16660520841360).

Almost surely, 2^{133242121233402} is an apocalyptic number.

133242121233402 is an abundant number, since it is smaller than the sum of its proper divisors (133326212228358).

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

133242121233402 is a wasteful number, since it uses less digits than its factorization.

133242121233402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007582917.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 133242121233402 its reverse (204332121242331), we get a palindrome (337574242475733).

The spelling of 133242121233402 in words is "one hundred thirty-three trillion, two hundred forty-two billion, one hundred twenty-one million, two hundred thirty-three thousand, four hundred two".