412012350521 has 4 divisors (see below), whose sum is σ = 423147819492. Its totient is φ = 400876881552.

The previous prime is 412012350461. The next prime is 412012350587. The reversal of 412012350521 is 125053210214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220557972496 + 191454378025 = 469636^2 + 437555^2 .

It is a cyclic number.

It is not a de Polignac number, because 412012350521 - 2⁶ = 412012350457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412012350821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567734430 + ... + 5567734503.

It is an arithmetic number, because the mean of its divisors is an integer number (105786954873).

Almost surely, 2^412012350521 is an apocalyptic number.

It is an amenable number.

412012350521 is a deficient number, since it is larger than the sum of its proper divisors (11135468971).

412012350521 is a wasteful number, since it uses less digits than its factorization.

412012350521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135468970.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 412012350521 its reverse (125053210214), we get a palindrome (537065560735).

The spelling of 412012350521 in words is "four hundred twelve billion, twelve million, three hundred fifty thousand, five hundred twenty-one".