1294445122000 has 40 divisors (see below), whose sum is σ = 3129968309832. Its totient is φ = 517778048000.

The previous prime is 1294445121979. The next prime is 1294445122067. The reversal of 1294445122000 is 2215444921.

It can be written as a sum of positive squares in 4 ways, for example, as 81882967104 + 1212562154896 = 286152^2 + 1101164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323609281 + ... + 323613280.

Almost surely, 2^{1294445122000} is an apocalyptic number.

1294445122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1294445122000 is an abundant number, since it is smaller than the sum of its proper divisors (1835523187832).

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

1294445122000 is an equidigital number, since it uses as much as digits as its factorization.

1294445122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647222584 (or 647222568 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 1294445122000 in words is "one trillion, two hundred ninety-four billion, four hundred forty-five million, one hundred twenty-two thousand".