10211212222212 has 48 divisors (see below), whose sum is σ = 24595555131392. Its totient is φ = 3293831291040.

The previous prime is 10211212222171. The next prime is 10211212222231. The reversal of 10211212222212 is 21222221211201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11308143 + ... + 12177705.

Almost surely, 2^{10211212222212} is an apocalyptic number.

10211212222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211212222212 is an abundant number, since it is smaller than the sum of its proper divisors (14384342909180).

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

10211212222212 is a wasteful number, since it uses less digits than its factorization.

10211212222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901168 (or 901166 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 10211212222212 its reverse (21222221211201), we get a palindrome (31433433433413).

The spelling of 10211212222212 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twelve".