10203032021212 has 12 divisors (see below), whose sum is σ = 17870424848136. Its totient is φ = 5097196350320.

The previous prime is 10203032021207. The next prime is 10203032021219. The reversal of 10203032021212 is 21212023030201.

It is a self number, because there is not a number n which added to its sum of digits gives 10203032021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203032021219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079909758 + ... + 1079919205.

It is an arithmetic number, because the mean of its divisors is an integer number (1489202070678).

Almost surely, 2^{10203032021212} is an apocalyptic number.

It is an amenable number.

10203032021212 is a deficient number, since it is larger than the sum of its proper divisors (7667392826924).

10203032021212 is a wasteful number, since it uses less digits than its factorization.

10203032021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159830148 (or 2159830146 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10203032021212 its reverse (21212023030201), we get a palindrome (31415055051413).

The spelling of 10203032021212 in words is "ten trillion, two hundred three billion, thirty-two million, twenty-one thousand, two hundred twelve".