1212265672608 has 96 divisors (see below), whose sum is σ = 3188159424576. Its totient is φ = 403332128768.

The previous prime is 1212265672573. The next prime is 1212265672609. The reversal of 1212265672608 is 8062765622121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1212265672609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168671191 + ... + 168678377.

It is an arithmetic number, because the mean of its divisors is an integer number (33209994006).

Almost surely, 2^{1212265672608} is an apocalyptic number.

It is an amenable number.

1212265672608 is an abundant number, since it is smaller than the sum of its proper divisors (1975893751968).

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

1212265672608 is a wasteful number, since it uses less digits than its factorization.

1212265672608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 1212265672608 in words is "one trillion, two hundred twelve billion, two hundred sixty-five million, six hundred seventy-two thousand, six hundred eight".