1227198525696 has 1152 divisors, whose sum is σ = 4450799861760. Its totient is φ = 331195392000.

The previous prime is 1227198525647. The next prime is 1227198525731. The reversal of 1227198525696 is 6965258917221.

1227198525696 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 19 + 8 + 52 + 569 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3707548251 + ... + 3707548581.

Almost surely, 2^{1227198525696} is an apocalyptic number.

1227198525696 is a gapful number since it is divisible by the number (16) 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 1227198525696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225399930880).

1227198525696 is an abundant number, since it is smaller than the sum of its proper divisors (3223601336064).

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

1227198525696 is a wasteful number, since it uses less digits than its factorization.

1227198525696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 391 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 1227198525696 in words is "one trillion, two hundred twenty-seven billion, one hundred ninety-eight million, five hundred twenty-five thousand, six hundred ninety-six".