10211212101212 has 12 divisors (see below), whose sum is σ = 18162565787016. Its totient is φ = 5021907590640.

The previous prime is 10211212101107. The next prime is 10211212101229. The reversal of 10211212101212 is 21210121211201.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20924614718 + ... + 20924615205.

It is an arithmetic number, because the mean of its divisors is an integer number (1513547148918).

Almost surely, 2^{10211212101212} is an apocalyptic number.

It is an amenable number.

10211212101212 is a deficient number, since it is larger than the sum of its proper divisors (7951353685804).

10211212101212 is a wasteful number, since it uses less digits than its factorization.

10211212101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41849229988 (or 41849229986 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10211212101212 its reverse (21210121211201), we get a palindrome (31421333312413).

The spelling of 10211212101212 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, one hundred one thousand, two hundred twelve".