1225042813446 has 32 divisors (see below), whose sum is σ = 2481363007200. Its totient is φ = 403161373440.

The previous prime is 1225042813433. The next prime is 1225042813481. The reversal of 1225042813446 is 6443182405221.

It is a junction number, because it is equal to n+sod(n) for n = 1225042813398 and 1225042813407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3149241 + ... + 3516788.

It is an arithmetic number, because the mean of its divisors is an integer number (77542593975).

Almost surely, 2^{1225042813446} is an apocalyptic number.

1225042813446 is an abundant number, since it is smaller than the sum of its proper divisors (1256320193754).

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

1225042813446 is a wasteful number, since it uses less digits than its factorization.

1225042813446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666424.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 1225042813446 in words is "one trillion, two hundred twenty-five billion, forty-two million, eight hundred thirteen thousand, four hundred forty-six".