212076462421 has 4 divisors (see below), whose sum is σ = 212082106144. Its totient is φ = 212070818700.

The previous prime is 212076462413. The next prime is 212076462431. The reversal of 212076462421 is 124264670212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212076462421 - 2³ = 212076462413 is a prime.

It is a super-3 number, since 3×212076462421³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212076462431) 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, 2765115 + ... + 2840776.

It is an arithmetic number, because the mean of its divisors is an integer number (53020526536).

Almost surely, 2^212076462421 is an apocalyptic number.

It is an amenable number.

212076462421 is a deficient number, since it is larger than the sum of its proper divisors (5643723).

212076462421 is an equidigital number, since it uses as much as digits as its factorization.

212076462421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643722.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 212076462421 in words is "two hundred twelve billion, seventy-six million, four hundred sixty-two thousand, four hundred twenty-one".