212442427461 has 96 divisors (see below), whose sum is σ = 331732251648. Its totient is φ = 120637440000.

The previous prime is 212442427441. The next prime is 212442427481. The reversal of 212442427461 is 164724244212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212442427441) and next prime (212442427481).

It is not a de Polignac number, because 212442427461 - 2⁹ = 212442426949 is a prime.

Its product of digits (172032) is a multiple of the sum of its prime divisors (3584).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212442427441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63206421 + ... + 63209781.

It is an arithmetic number, because the mean of its divisors is an integer number (3455544288).

Almost surely, 2^212442427461 is an apocalyptic number.

It is an amenable number.

212442427461 is a deficient number, since it is larger than the sum of its proper divisors (119289824187).

212442427461 is a wasteful number, since it uses less digits than its factorization.

212442427461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3584 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The spelling of 212442427461 in words is "two hundred twelve billion, four hundred forty-two million, four hundred twenty-seven thousand, four hundred sixty-one".