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212012111110 = 2521201211111
BaseRepresentation
bin1100010101110011101…
…0000001010100000110
3202021020111012011011111
43011130322001110012
511433200100023420
6241221431155234
721213600132052
oct3053472012406
9667214164144
10212012111110
1181a06345058
123510a515b1a
1316cb9b34427
14a393572c62
1557accd845a
hex315ce81506

212012111110 has 8 divisors (see below), whose sum is σ = 381621800016. Its totient is φ = 84804844440.

The previous prime is 212012111081. The next prime is 212012111177. The reversal of 212012111110 is 11111210212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600605546 + ... + 10600605565.

It is an arithmetic number, because the mean of its divisors is an integer number (47702725002).

Almost surely, 2212012111110 is an apocalyptic number.

212012111110 is a deficient number, since it is larger than the sum of its proper divisors (169609688906).

212012111110 is a wasteful number, since it uses less digits than its factorization.

212012111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201211118.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212012111110 its reverse (11111210212), we get a palindrome (223123321322).

The spelling of 212012111110 in words is "two hundred twelve billion, twelve million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 21201211111 42402422222 106006055555 212012111110