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2112002212 = 221307403979
BaseRepresentation
bin111110111100010…
…1001100010100100
312110012002211101011
41331320221202210
513311133032322
6545323312004
7103223502565
oct17570514244
95405084334
102112002212
11994196581
124ab37b604
13278730b68
141606d216c
15c5638677
hex7de298a4

2112002212 has 12 divisors (see below), whose sum is σ = 3698840880. Its totient is φ = 1055190536.

The previous prime is 2112002183. The next prime is 2112002219. The reversal of 2112002212 is 2122002112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2112002192 and 2112002201.

It is not an unprimeable number, because it can be changed into a prime (2112002219) 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, 196762 + ... + 207217.

It is an arithmetic number, because the mean of its divisors is an integer number (308236740).

Almost surely, 22112002212 is an apocalyptic number.

It is an amenable number.

2112002212 is a deficient number, since it is larger than the sum of its proper divisors (1586838668).

2112002212 is a wasteful number, since it uses less digits than its factorization.

2112002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405290 (or 405288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2112002212 is about 45956.5252385339. The cubic root of 2112002212 is about 1283.0141799190.

Adding to 2112002212 its reverse (2122002112), we get a palindrome (4234004324).

The spelling of 2112002212 in words is "two billion, one hundred twelve million, two thousand, two hundred twelve".

Divisors: 1 2 4 1307 2614 5228 403979 807958 1615916 528000553 1056001106 2112002212