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1210011112212 = 223714404894193
BaseRepresentation
bin10001100110111010010…
…010000101001100010100
311021200020202101022012020
4101212322102011030110
5124311100321042322
62323512121253140
7153264126516060
oct21467222051424
94250222338166
101210011112212
11427187800951
121766123341b0
138a146696046
14427c9d40aa0
152171da4105c
hex119ba485314

1210011112212 has 24 divisors (see below), whose sum is σ = 3226696299456. Its totient is φ = 345717460608.

The previous prime is 1210011112181. The next prime is 1210011112217. The reversal of 1210011112212 is 2122111100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210011112191 and 1210011112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210011112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7202447013 + ... + 7202447180.

It is an arithmetic number, because the mean of its divisors is an integer number (134445679144).

Almost surely, 21210011112212 is an apocalyptic number.

1210011112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210011112212 is an abundant number, since it is smaller than the sum of its proper divisors (2016685187244).

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

1210011112212 is a wasteful number, since it uses less digits than its factorization.

1210011112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404894207 (or 14404894205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210011112212 its reverse (2122111100121), we get a palindrome (3332122212333).

The spelling of 1210011112212 in words is "one trillion, two hundred ten billion, eleven million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 14404894193 28809788386 43214682579 57619576772 86429365158 100834259351 172858730316 201668518702 302502778053 403337037404 605005556106 1210011112212