1000021201296 has 80 divisors (see below), whose sum is σ = 2787052825536. Its totient is φ = 307152188928.

The previous prime is 1000021201279. The next prime is 1000021201331. The reversal of 1000021201296 is 6921021200001.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1071955 + ... + 1774578.

Almost surely, 2^{1000021201296} is an apocalyptic number.

1000021201296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1000021201296 is an abundant number, since it is smaller than the sum of its proper divisors (1787031624240).

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

1000021201296 is a wasteful number, since it uses less digits than its factorization.

1000021201296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847120 (or 2847114 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 1000021201296 its reverse (6921021200001), we get a palindrome (7921042401297).

The spelling of 1000021201296 in words is "one trillion, twenty-one million, two hundred one thousand, two hundred ninety-six".