1225206233744 has 20 divisors (see below), whose sum is σ = 2374458132096. Its totient is φ = 612442844832.

The previous prime is 1225206233737. The next prime is 1225206233813. The reversal of 1225206233744 is 4473326025221.

It is a super-2 number, since 2×1225206233744² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9953924 + ... + 10076259.

Almost surely, 2^{1225206233744} is an apocalyptic number.

It is an amenable number.

1225206233744 is a deficient number, since it is larger than the sum of its proper divisors (1149251898352).

1225206233744 is a wasteful number, since it uses less digits than its factorization.

1225206233744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20034014 (or 20034008 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 1225206233744 in words is "one trillion, two hundred twenty-five billion, two hundred six million, two hundred thirty-three thousand, seven hundred forty-four".