10011212122212 has 48 divisors (see below), whose sum is σ = 29662850734720. Its totient is φ = 2860346320416.

The previous prime is 10011212122099. The next prime is 10011212122229. The reversal of 10011212122212 is 21222121211001.

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

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, 6621171283 + ... + 6621172794.

Almost surely, 2^{10011212122212} is an apocalyptic number.

10011212122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10011212122212 is an abundant number, since it is smaller than the sum of its proper divisors (19651638612508).

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

10011212122212 is a wasteful number, since it uses less digits than its factorization.

10011212122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13242344097 (or 13242344089 counting only the distinct ones).

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

Adding to 10011212122212 its reverse (21222121211001), we get a palindrome (31233333333213).

The spelling of 10011212122212 in words is "ten trillion, eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".