142212012402344 has 32 divisors (see below), whose sum is σ = 266910606006240. Its totient is φ = 71035866907200.

The previous prime is 142212012402319. The next prime is 142212012402349. The reversal of 142212012402344 is 443204210212241.

It is a self number, because there is not a number n which added to its sum of digits gives 142212012402344.

It is not an unprimeable number, because it can be changed into a prime (142212012402349) 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, 69941579 + ... + 71946149.

It is an arithmetic number, because the mean of its divisors is an integer number (8340956437695).

Almost surely, 2^{142212012402344} is an apocalyptic number.

It is an amenable number.

142212012402344 is a deficient number, since it is larger than the sum of its proper divisors (124698593603896).

142212012402344 is a wasteful number, since it uses less digits than its factorization.

142212012402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013321 (or 2013317 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 142212012402344 its reverse (443204210212241), we get a palindrome (585416222614585).

The spelling of 142212012402344 in words is "one hundred forty-two trillion, two hundred twelve billion, twelve million, four hundred two thousand, three hundred forty-four".