10203103011212 has 12 divisors (see below), whose sum is σ = 17891795711496. Its totient is φ = 5091161379360.

The previous prime is 10203103011209. The next prime is 10203103011247. The reversal of 10203103011212 is 21211030130201.

It is a super-2 number, since 2×10203103011212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597529353 + ... + 2597533280.

It is an arithmetic number, because the mean of its divisors is an integer number (1490982975958).

Almost surely, 2^{10203103011212} is an apocalyptic number.

It is an amenable number.

10203103011212 is a deficient number, since it is larger than the sum of its proper divisors (7688692700284).

10203103011212 is a wasteful number, since it uses less digits than its factorization.

10203103011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195063128 (or 5195063126 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10203103011212 its reverse (21211030130201), we get a palindrome (31414133141413).

The spelling of 10203103011212 in words is "ten trillion, two hundred three billion, one hundred three million, eleven thousand, two hundred twelve".