212306212642 has 8 divisors (see below), whose sum is σ = 318462660432. Its totient is φ = 106151992500.

The previous prime is 212306212619. The next prime is 212306212661. The reversal of 212306212642 is 246212603212.

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, 293784 + ... + 714787.

It is an arithmetic number, because the mean of its divisors is an integer number (39807832554).

Almost surely, 2^212306212642 is an apocalyptic number.

212306212642 is a deficient number, since it is larger than the sum of its proper divisors (106156447790).

212306212642 is a wasteful number, since it uses less digits than its factorization.

212306212642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113824.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 212306212642 its reverse (246212603212), we get a palindrome (458518815854).

The spelling of 212306212642 in words is "two hundred twelve billion, three hundred six million, two hundred twelve thousand, six hundred forty-two".