10002102212 has 6 divisors (see below), whose sum is σ = 17503678878. Its totient is φ = 5001051104.

The previous prime is 10002102211. The next prime is 10002102221. The reversal of 10002102212 is 21220120001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7283939716 + 2718162496 = 85346^2 + 52136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10002102193 and 10002102202.

It is not an unprimeable number, because it can be changed into a prime (10002102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250262773 + ... + 1250262780.

It is an arithmetic number, because the mean of its divisors is an integer number (2917279813).

Almost surely, 2^10002102212 is an apocalyptic number.

It is an amenable number.

10002102212 is a deficient number, since it is larger than the sum of its proper divisors (7501576666).

10002102212 is a wasteful number, since it uses less digits than its factorization.

10002102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500525557 (or 2500525555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10002102212 its reverse (21220120001), we get a palindrome (31222222213).

The spelling of 10002102212 in words is "ten billion, two million, one hundred two thousand, two hundred twelve".