212612164654 has 8 divisors (see below), whose sum is σ = 318921539688. Its totient is φ = 106304984760.

The previous prime is 212612164631. The next prime is 212612164663. The reversal of 212612164654 is 456461216212.

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

It is a congruent number.

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, 280392 + ... + 709819.

It is an arithmetic number, because the mean of its divisors is an integer number (39865192461).

Almost surely, 2^212612164654 is an apocalyptic number.

212612164654 is a deficient number, since it is larger than the sum of its proper divisors (106309375034).

212612164654 is a wasteful number, since it uses less digits than its factorization.

212612164654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097570.

The product of its digits is 138240, while the sum is 40.

The spelling of 212612164654 in words is "two hundred twelve billion, six hundred twelve million, one hundred sixty-four thousand, six hundred fifty-four".