142212432293 has 2 divisors, whose sum is σ = 142212432294. Its totient is φ = 142212432292.

The previous prime is 142212432277. The next prime is 142212432319. The reversal of 142212432293 is 392234212241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138073182724 + 4139249569 = 371582^2 + 64337^2 .

It is an emirp because it is prime and its reverse (392234212241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142212432293 - 2⁴ = 142212432277 is a prime.

It is a super-2 number, since 2×142212432293² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142212432223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71106216146 + 71106216147.

It is an arithmetic number, because the mean of its divisors is an integer number (71106216147).

Almost surely, 2^142212432293 is an apocalyptic number.

It is an amenable number.

142212432293 is a deficient number, since it is larger than the sum of its proper divisors (1).

142212432293 is an equidigital number, since it uses as much as digits as its factorization.

142212432293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 142212432293 in words is "one hundred forty-two billion, two hundred twelve million, four hundred thirty-two thousand, two hundred ninety-three".