142311344440212 has 18 divisors (see below), whose sum is σ = 359731454001738. Its totient is φ = 47437114813392.

The previous prime is 142311344440163. The next prime is 142311344440217. The reversal of 142311344440212 is 212044443113241.

142311344440212 is a `hidden beast` number, since 1 + 4 + 231 + 1 + 3 + 4 + 4 + 4 + 402 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73124150202756 + 69187194237456 = 8551266^2 + 8317884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3953092901117 = 142311344440212 / (1 + 4 + 2 + 3 + 1 + 1 + 3 + 4 + 4 + 4 + 4 + 0 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142311344440217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1976546450523 + ... + 1976546450594.

Almost surely, 2^{142311344440212} is an apocalyptic number.

142311344440212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142311344440212 is an abundant number, since it is smaller than the sum of its proper divisors (217420109561526).

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

142311344440212 is a wasteful number, since it uses less digits than its factorization.

142311344440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953092901127 (or 3953092901122 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 142311344440212 its reverse (212044443113241), we get a palindrome (354355787553453).

The spelling of 142311344440212 in words is "one hundred forty-two trillion, three hundred eleven billion, three hundred forty-four million, four hundred forty thousand, two hundred twelve".