10211212008 has 48 divisors (see below), whose sum is σ = 27661233600. Its totient is φ = 3403015200.

The previous prime is 10211212001. The next prime is 10211212091. The reversal of 10211212008 is 80021211201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10211212001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409153 + ... + 433391.

It is an arithmetic number, because the mean of its divisors is an integer number (576275700).

Almost surely, 2^10211212008 is an apocalyptic number.

10211212008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10211212008 is an abundant number, since it is smaller than the sum of its proper divisors (17450021592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211212008 is a wasteful number, since it uses less digits than its factorization.

10211212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30102 (or 30095 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10211212008 its reverse (80021211201), we get a palindrome (90232423209).

The spelling of 10211212008 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, eight".