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212011013322 = 23211778389629
BaseRepresentation
bin1100010101110011010…
…1110101010011001010
3202021020102010101021200
43011130311311103022
511433144304411242
6241221351445030
721213554610363
oct3053465652312
9667212111250
10212011013322
1181a05765299
123510a086776
1316cb983b854
14a393368b6a
1557acb6d04c
hex315cd754ca

212011013322 has 12 divisors (see below), whose sum is σ = 459357195570. Its totient is φ = 70670337768.

The previous prime is 212011013321. The next prime is 212011013323. The reversal of 212011013322 is 223310110212.

It is an interprime number because it is at equal distance from previous prime (212011013321) and next prime (212011013323).

It can be written as a sum of positive squares in only one way, i.e., 116691243201 + 95319770121 = 341601^2 + 308739^2 .

It is a super-2 number, since 2×2120110133222 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11778389629 = 212011013322 / (2 + 1 + 2 + 0 + 1 + 1 + 0 + 1 + 3 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212011013295 and 212011013304.

It is not an unprimeable number, because it can be changed into a prime (212011013321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889194797 + ... + 5889194832.

Almost surely, 2212011013322 is an apocalyptic number.

212011013322 is an abundant number, since it is smaller than the sum of its proper divisors (247346182248).

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

212011013322 is a wasteful number, since it uses less digits than its factorization.

212011013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778389637 (or 11778389634 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212011013322 its reverse (223310110212), we get a palindrome (435321123534).

The spelling of 212011013322 in words is "two hundred twelve billion, eleven million, thirteen thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 11778389629 23556779258 35335168887 70670337774 106005506661 212011013322