1421966407712 has 96 divisors (see below), whose sum is σ = 2977567931520. Its totient is φ = 666548490240.

The previous prime is 1421966407709. The next prime is 1421966407811. The reversal of 1421966407712 is 2177046691241.

It is a super-2 number, since 2×1421966407712² (a number of 25 digits) contains 22 as substring.

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, 97247762 + ... + 97262382.

It is an arithmetic number, because the mean of its divisors is an integer number (31016332620).

Almost surely, 2^{1421966407712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421966407712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488783965760).

1421966407712 is an abundant number, since it is smaller than the sum of its proper divisors (1555601523808).

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

1421966407712 is a wasteful number, since it uses less digits than its factorization.

1421966407712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306 (or 16298 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 1421966407712 in words is "one trillion, four hundred twenty-one billion, nine hundred sixty-six million, four hundred seven thousand, seven hundred twelve".