1021003212994 has 4 divisors (see below), whose sum is σ = 1531504819494. Its totient is φ = 510501606496.

The previous prime is 1021003212961. The next prime is 1021003213007. The reversal of 1021003212994 is 4992123001201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 897496653769 + 123506559225 = 947363^2 + 351435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255250803247 + ... + 255250803250.

Almost surely, 2^{1021003212994} is an apocalyptic number.

1021003212994 is a deficient number, since it is larger than the sum of its proper divisors (510501606500).

1021003212994 is an equidigital number, since it uses as much as digits as its factorization.

1021003212994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510501606499.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 1021003212994 in words is "one trillion, twenty-one billion, three million, two hundred twelve thousand, nine hundred ninety-four".