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1000111210212 = 22383342600851
BaseRepresentation
bin11101000110110110100…
…01011111111011100100
310112121110110200111012210
432203123101133323210
5112341211432211322
62043240022043420
7132153455011032
oct16433321377344
93477413614183
101000111210212
11356165783864
121419b3279570
13734053359ba
1436597115552
151b0363d270c
hexe8db45fee4

1000111210212 has 12 divisors (see below), whose sum is σ = 2333592823856. Its totient is φ = 333370403400.

The previous prime is 1000111210211. The next prime is 1000111210393. The reversal of 1000111210212 is 2120121110001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10001112102122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 83342600851 = 1000111210212 / (1 + 0 + 0 + 0 + 1 + 1 + 1 + 2 + 1 + 0 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (1000111210211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41671300414 + ... + 41671300437.

Almost surely, 21000111210212 is an apocalyptic number.

1000111210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000111210212 is an abundant number, since it is smaller than the sum of its proper divisors (1333481613644).

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

1000111210212 is a wasteful number, since it uses less digits than its factorization.

1000111210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83342600858 (or 83342600856 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000111210212 its reverse (2120121110001), we get a palindrome (3120232320213).

The spelling of 1000111210212 in words is "one trillion, one hundred eleven million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 83342600851 166685201702 250027802553 333370403404 500055605106 1000111210212