1212425614404 has 243 divisors, whose sum is σ = 3277298609949. Its totient is φ = 377898206400.

The previous prime is 1212425614399. The next prime is 1212425614423. The reversal of 1212425614404 is 4044165242121.

The square root of 1212425614404 is 1101102.

It is a perfect power (a square), and thus also a powerful number.

1212425614404 is a `hidden beast` number, since 1 + 2 + 1 + 242 + 5 + 6 + 1 + 4 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1164884172804 + 47541441600 = 1079298^2 + 218040^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 12004213954 + ... + 12004214054.

Almost surely, 2^{1212425614404} is an apocalyptic number.

1212425614404 is the 1101102-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212425614404

1212425614404 is an abundant number, since it is smaller than the sum of its proper divisors (2064872995545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212425614404 is a wasteful number, since it uses less digits than its factorization.

1212425614404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Multiplying 1212425614404 by its sum of digits (36), we get a square (43647322118544 = 6606612²).

1212425614404 divided by its sum of digits (36) gives a square (33678489289 = 183517²).

The spelling of 1212425614404 in words is "one trillion, two hundred twelve billion, four hundred twenty-five million, six hundred fourteen thousand, four hundred four".