1252901266666 has 16 divisors (see below), whose sum is σ = 2221893872640. Its totient is φ = 518441903280.

The previous prime is 1252901266663. The next prime is 1252901266699. The reversal of 1252901266666 is 6666621092521.

It is not an unprimeable number, because it can be changed into a prime (1252901266663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542981450 + ... + 1542982261.

It is an arithmetic number, because the mean of its divisors is an integer number (138868367040).

Almost surely, 2^{1252901266666} is an apocalyptic number.

1252901266666 is a deficient number, since it is larger than the sum of its proper divisors (968992605974).

1252901266666 is a wasteful number, since it uses less digits than its factorization.

1252901266666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085963749.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 1252901266666 in words is "one trillion, two hundred fifty-two billion, nine hundred one million, two hundred sixty-six thousand, six hundred sixty-six".