1225366502500 has 360 divisors, whose sum is σ = 3298733567360. Its totient is φ = 389878272000.

The previous prime is 1225366502473. The next prime is 1225366502519. The reversal of 1225366502500 is 52056635221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225366502500.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 369195841 + ... + 369199159.

Almost surely, 2^{1225366502500} is an apocalyptic number.

1225366502500 is a gapful number since it is divisible by the number (10) 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 1225366502500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649366783680).

1225366502500 is an abundant number, since it is smaller than the sum of its proper divisors (2073367064860).

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

1225366502500 is a wasteful number, since it uses less digits than its factorization.

1225366502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1225366502500 in words is "one trillion, two hundred twenty-five billion, three hundred sixty-six million, five hundred two thousand, five hundred".