212251262642 has 8 divisors (see below), whose sum is σ = 318407922432. Its totient is φ = 106115288500.

The previous prime is 212251262633. The next prime is 212251262677. The reversal of 212251262642 is 246262152212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145734 + ... + 5186817.

It is an arithmetic number, because the mean of its divisors is an integer number (39800990304).

Almost surely, 2^212251262642 is an apocalyptic number.

212251262642 is a deficient number, since it is larger than the sum of its proper divisors (106156659790).

212251262642 is a wasteful number, since it uses less digits than its factorization.

212251262642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342824.

The product of its digits is 46080, while the sum is 35.

The spelling of 212251262642 in words is "two hundred twelve billion, two hundred fifty-one million, two hundred sixty-two thousand, six hundred forty-two".