212451000203425 has 24 divisors (see below), whose sum is σ = 278942800654296. Its totient is φ = 159959014563840.

The previous prime is 212451000203417. The next prime is 212451000203437. The reversal of 212451000203425 is 524302000154212.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 87457079718801 + 124993920484624 = 9351849^2 + 11180068^2 .

It is not a de Polignac number, because 212451000203425 - 2³ = 212451000203417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10293909 + ... + 23040541.

It is an arithmetic number, because the mean of its divisors is an integer number (11622616693929).

Almost surely, 2^{212451000203425} is an apocalyptic number.

212451000203425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212451000203425 is a deficient number, since it is larger than the sum of its proper divisors (66491800450871).

212451000203425 is a wasteful number, since it uses less digits than its factorization.

212451000203425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785877 (or 12785872 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 212451000203425 its reverse (524302000154212), we get a palindrome (736753000357637).

The spelling of 212451000203425 in words is "two hundred twelve trillion, four hundred fifty-one billion, two hundred three thousand, four hundred twenty-five".