1212416630325 has 72 divisors (see below), whose sum is σ = 2226888485640. Its totient is φ = 630184396800.

The previous prime is 1212416630237. The next prime is 1212416630333. The reversal of 1212416630325 is 5230366142121.

1212416630325 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 4 + 16 + 630 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 844504022961 + 367912607364 = 918969^2 + 606558^2 .

It is not a de Polignac number, because 1212416630325 - 2¹⁹ = 1212416106037 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212416630325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8722471 + ... + 8860379.

It is an arithmetic number, because the mean of its divisors is an integer number (30929006745).

Almost surely, 2^{1212416630325} is an apocalyptic number.

1212416630325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1212416630325 is a deficient number, since it is larger than the sum of its proper divisors (1014471855315).

1212416630325 is a wasteful number, since it uses less digits than its factorization.

1212416630325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138919 (or 138911 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1212416630325 in words is "one trillion, two hundred twelve billion, four hundred sixteen million, six hundred thirty thousand, three hundred twenty-five".