1020406250212 has 24 divisors (see below), whose sum is σ = 1843356849152. Its totient is φ = 493733620800.

The previous prime is 1020406250153. The next prime is 1020406250221. The reversal of 1020406250212 is 2120526040201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8376613 + ... + 8497555.

Almost surely, 2^{1020406250212} is an apocalyptic number.

It is an amenable number.

1020406250212 is a deficient number, since it is larger than the sum of its proper divisors (822950598940).

1020406250212 is a wasteful number, since it uses less digits than its factorization.

1020406250212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189019 (or 189017 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1020406250212 in words is "one trillion, twenty billion, four hundred six million, two hundred fifty thousand, two hundred twelve".