1225112663652 has 12 divisors (see below), whose sum is σ = 2858596215216. Its totient is φ = 408370887880.

The previous prime is 1225112663641. The next prime is 1225112663693. The reversal of 1225112663652 is 2563662115221.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51046360974 + ... + 51046360997.

It is an arithmetic number, because the mean of its divisors is an integer number (238216351268).

Almost surely, 2^{1225112663652} is an apocalyptic number.

1225112663652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225112663652 is an abundant number, since it is smaller than the sum of its proper divisors (1633483551564).

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

1225112663652 is a wasteful number, since it uses less digits than its factorization.

1225112663652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102092721978 (or 102092721976 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

Adding to 1225112663652 its reverse (2563662115221), we get a palindrome (3788774778873).

The spelling of 1225112663652 in words is "one trillion, two hundred twenty-five billion, one hundred twelve million, six hundred sixty-three thousand, six hundred fifty-two".