10211212210 has 16 divisors (see below), whose sum is σ = 18398344536. Its totient is φ = 4080448768.

The previous prime is 10211212189. The next prime is 10211212217. The reversal of 10211212210 is 1221211201.

It can be written as a sum of positive squares in 4 ways, for example, as 8339525041 + 1871687169 = 91321^2 + 43263^2 .

It is not an unprimeable number, because it can be changed into a prime (10211212217) 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, 493879 + ... + 514138.

Almost surely, 2^10211212210 is an apocalyptic number.

10211212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211212210 is a deficient number, since it is larger than the sum of its proper divisors (8187132326).

10211212210 is a wasteful number, since it uses less digits than its factorization.

10211212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009037.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211212210 its reverse (1221211201), we get a palindrome (11432423411).

The spelling of 10211212210 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, two hundred ten".