25226245364012 has 192 divisors, whose sum is σ = 58257115348992. Its totient is φ = 9272786688000.

The previous prime is 25226245363993. The next prime is 25226245364017. The reversal of 25226245364012 is 21046354262252.

It is a super-2 number, since 2×25226245364012² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (25226245364017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61849187 + ... + 62255717.

It is an arithmetic number, because the mean of its divisors is an integer number (303422475776).

Almost surely, 2^{25226245364012} is an apocalyptic number.

25226245364012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25226245364012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29128557674496).

25226245364012 is an abundant number, since it is smaller than the sum of its proper divisors (33030869984980).

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

25226245364012 is a wasteful number, since it uses less digits than its factorization.

25226245364012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406748 (or 406746 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 25226245364012 in words is "twenty-five trillion, two hundred twenty-six billion, two hundred forty-five million, three hundred sixty-four thousand, twelve".