212425134506 has 16 divisors (see below), whose sum is σ = 343806950088. Its totient is φ = 97854182400.

The previous prime is 212425134497. The next prime is 212425134547. The reversal of 212425134506 is 605431524212.

It can be written as a sum of positive squares in 4 ways, for example, as 68021334481 + 144403800025 = 260809^2 + 380005^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7827335 + ... + 7854426.

Almost surely, 2^212425134506 is an apocalyptic number.

212425134506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212425134506 is a deficient number, since it is larger than the sum of its proper divisors (131381815582).

212425134506 is a wasteful number, since it uses less digits than its factorization.

212425134506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682297.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 212425134506 its reverse (605431524212), we get a palindrome (817856658718).

The spelling of 212425134506 in words is "two hundred twelve billion, four hundred twenty-five million, one hundred thirty-four thousand, five hundred six".