10001213210 has 16 divisors (see below), whose sum is σ = 18076885992. Its totient is φ = 3983884800.

The previous prime is 10001213207. The next prime is 10001213219. The reversal of 10001213210 is 1231210001.

It can be written as a sum of positive squares in 4 ways, for example, as 6422900449 + 3578312761 = 80143^2 + 59819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10001213191 and 10001213200.

It is not an unprimeable number, because it can be changed into a prime (10001213219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072531 + ... + 2077350.

Almost surely, 2^10001213210 is an apocalyptic number.

10001213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001213210 is a deficient number, since it is larger than the sum of its proper divisors (8075672782).

10001213210 is a wasteful number, since it uses less digits than its factorization.

10001213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150129.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10001213210 its reverse (1231210001), we get a palindrome (11232423211).

The spelling of 10001213210 in words is "ten billion, one million, two hundred thirteen thousand, two hundred ten".