212262975454 has 8 divisors (see below), whose sum is σ = 318409863120. Its totient is φ = 106126354416.

The previous prime is 212262975451. The next prime is 212262975479. The reversal of 212262975454 is 454579262212.

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

It is a super-2 number, since 2×212262975454² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212262975398 and 212262975407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212262975451) 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, 2514759 + ... + 2597794.

It is an arithmetic number, because the mean of its divisors is an integer number (39801232890).

Almost surely, 2^212262975454 is an apocalyptic number.

212262975454 is a deficient number, since it is larger than the sum of its proper divisors (106146887666).

212262975454 is a wasteful number, since it uses less digits than its factorization.

212262975454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133314.

The product of its digits is 2419200, while the sum is 49.

The spelling of 212262975454 in words is "two hundred twelve billion, two hundred sixty-two million, nine hundred seventy-five thousand, four hundred fifty-four".