43212535202357 has 2 divisors, whose sum is σ = 43212535202358. Its totient is φ = 43212535202356.

The previous prime is 43212535202281. The next prime is 43212535202363. The reversal of 43212535202357 is 75320253521234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27408722091556 + 15803813110801 = 5235334^2 + 3975401^2 .

It is a cyclic number.

It is not a de Polignac number, because 43212535202357 - 2¹⁶ = 43212535136821 is a prime.

It is a super-2 number, since 2×43212535202357² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212535202957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606267601178 + 21606267601179.

It is an arithmetic number, because the mean of its divisors is an integer number (21606267601179).

Almost surely, 2^{43212535202357} is an apocalyptic number.

It is an amenable number.

43212535202357 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212535202357 is an equidigital number, since it uses as much as digits as its factorization.

43212535202357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 43212535202357 in words is "forty-three trillion, two hundred twelve billion, five hundred thirty-five million, two hundred two thousand, three hundred fifty-seven".