212250450431 has 2 divisors, whose sum is σ = 212250450432. Its totient is φ = 212250450430.

The previous prime is 212250450407. The next prime is 212250450443. The reversal of 212250450431 is 134054052212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212250450431 is a prime.

It is a super-2 number, since 2×212250450431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212250450394 and 212250450403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212250450491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106125225215 + 106125225216.

It is an arithmetic number, because the mean of its divisors is an integer number (106125225216).

Almost surely, 2^212250450431 is an apocalyptic number.

212250450431 is a deficient number, since it is larger than the sum of its proper divisors (1).

212250450431 is an equidigital number, since it uses as much as digits as its factorization.

212250450431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 212250450431 in words is "two hundred twelve billion, two hundred fifty million, four hundred fifty thousand, four hundred thirty-one".