1012003203170 has 16 divisors (see below), whose sum is σ = 1821623689080. Its totient is φ = 404797298304.

The previous prime is 1012003203157. The next prime is 1012003203227. The reversal of 1012003203170 is 713023002101.

It can be written as a sum of positive squares in 4 ways, for example, as 685115432089 + 326887771081 = 827717^2 + 571741^2 .

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, 708464 + ... + 1589316.

Almost surely, 2^{1012003203170} is an apocalyptic number.

1012003203170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012003203170 is a deficient number, since it is larger than the sum of its proper divisors (809620485910).

1012003203170 is a wasteful number, since it uses less digits than its factorization.

1012003203170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995749.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 1012003203170 its reverse (713023002101), we get a palindrome (1725026205271).

The spelling of 1012003203170 in words is "one trillion, twelve billion, three million, two hundred three thousand, one hundred seventy".