212452426 has 16 divisors (see below), whose sum is σ = 332843904. Its totient is φ = 101513104.

The previous prime is 212452423. The next prime is 212452453. The reversal of 212452426 is 624254212.

It is a junction number, because it is equal to n+sod(n) for n = 212452394 and 212452403.

It is not an unprimeable number, because it can be changed into a prime (212452421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94896 + ... + 97108.

It is an arithmetic number, because the mean of its divisors is an integer number (20802744).

Almost surely, 2^212452426 is an apocalyptic number.

212452426 is a deficient number, since it is larger than the sum of its proper divisors (120391478).

212452426 is a wasteful number, since it uses less digits than its factorization.

212452426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325.

The product of its digits is 7680, while the sum is 28.

The square root of 212452426 is about 14575.7478710356. The cubic root of 212452426 is about 596.6970602719.

It can be divided in two parts, 212452 and 426, that added together give a triangular number (212878 = T₆₅₂).

The spelling of 212452426 in words is "two hundred twelve million, four hundred fifty-two thousand, four hundred twenty-six".