10001022011212 has 24 divisors (see below), whose sum is σ = 17519641145552. Its totient is φ = 4995411220800.

The previous prime is 10001022011119. The next prime is 10001022011269. The reversal of 10001022011212 is 21211022010001.

It is a super-5 number, since 5×10001022011212⁵ (a number of 66 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001022011192 and 10001022011201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43303162 + ... + 43533502.

Almost surely, 2^{10001022011212} is an apocalyptic number.

It is an amenable number.

10001022011212 is a deficient number, since it is larger than the sum of its proper divisors (7518619134340).

10001022011212 is a wasteful number, since it uses less digits than its factorization.

10001022011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241369 (or 241367 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10001022011212 its reverse (21211022010001), we get a palindrome (31212044021213).

The spelling of 10001022011212 in words is "ten trillion, one billion, twenty-two million, eleven thousand, two hundred twelve".