212502452254 has 4 divisors (see below), whose sum is σ = 318753678384. Its totient is φ = 106251226126.

The previous prime is 212502452251. The next prime is 212502452269. The reversal of 212502452254 is 452254205212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212502452251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53125613062 + ... + 53125613065.

It is an arithmetic number, because the mean of its divisors is an integer number (79688419596).

Almost surely, 2^212502452254 is an apocalyptic number.

212502452254 is a deficient number, since it is larger than the sum of its proper divisors (106251226130).

212502452254 is a wasteful number, since it uses less digits than its factorization.

212502452254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106251226129.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 212502452254 its reverse (452254205212), we get a palindrome (664756657466).

The spelling of 212502452254 in words is "two hundred twelve billion, five hundred two million, four hundred fifty-two thousand, two hundred fifty-four".