10111212011212 has 48 divisors (see below), whose sum is σ = 19424271902112. Its totient is φ = 4577325580800.

The previous prime is 10111212011209. The next prime is 10111212011231. The reversal of 10111212011212 is 21211021211101.

10111212011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8434353 + ... + 9558280.

It is an arithmetic number, because the mean of its divisors is an integer number (404672331294).

Almost surely, 2^{10111212011212} is an apocalyptic number.

It is an amenable number.

10111212011212 is a deficient number, since it is larger than the sum of its proper divisors (9313059890900).

10111212011212 is a wasteful number, since it uses less digits than its factorization.

10111212011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992858 (or 17992856 counting only the distinct ones).

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

Adding to 10111212011212 its reverse (21211021211101), we get a palindrome (31322233222313).

The spelling of 10111212011212 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, eleven thousand, two hundred twelve".