142212432251 has 2 divisors, whose sum is σ = 142212432252. Its totient is φ = 142212432250.

The previous prime is 142212432227. The next prime is 142212432277. The reversal of 142212432251 is 152234212241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142212432251 is a prime.

It is not a weakly prime, because it can be changed into another prime (142212432211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71106216125 + 71106216126.

It is an arithmetic number, because the mean of its divisors is an integer number (71106216126).

Almost surely, 2^142212432251 is an apocalyptic number.

142212432251 is a deficient number, since it is larger than the sum of its proper divisors (1).

142212432251 is an equidigital number, since it uses as much as digits as its factorization.

142212432251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

Adding to 142212432251 its reverse (152234212241), we get a palindrome (294446644492).

The spelling of 142212432251 in words is "one hundred forty-two billion, two hundred twelve million, four hundred thirty-two thousand, two hundred fifty-one".