142420202013232 has 160 divisors (see below), whose sum is σ = 329587283188800. Its totient is φ = 58767982080000.

The previous prime is 142420202013197. The next prime is 142420202013239. The reversal of 142420202013232 is 232310202024241.

It is a self number, because there is not a number n which added to its sum of digits gives 142420202013232.

It is not an unprimeable number, because it can be changed into a prime (142420202013239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32363982 + ... + 36500242.

It is an arithmetic number, because the mean of its divisors is an integer number (2059920519930).

Almost surely, 2^{142420202013232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142420202013232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164793641594400).

142420202013232 is an abundant number, since it is smaller than the sum of its proper divisors (187167081175568).

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

142420202013232 is a wasteful number, since it uses less digits than its factorization.

142420202013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136543 (or 4136537 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142420202013232 its reverse (232310202024241), we get a palindrome (374730404037473).

The spelling of 142420202013232 in words is "one hundred forty-two trillion, four hundred twenty billion, two hundred two million, thirteen thousand, two hundred thirty-two".