Search a number
-
+
121214212 = 2274329079
BaseRepresentation
bin1110011100110…
…01010100000100
322110002022122021
413032121110010
5222012323322
620010012524
73001206130
oct716312404
9273068567
10121214212
1162471039
1234717144
131c1607b2
14121543c0
15a9954c7
hex7399504

121214212 has 12 divisors (see below), whose sum is σ = 242428480. Its totient is φ = 51948936.

The previous prime is 121214179. The next prime is 121214221. The reversal of 121214212 is 212412121.

121214212 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 2164512 + ... + 2164567.

Almost surely, 2121214212 is an apocalyptic number.

It is an amenable number.

121214212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121214212 is a wasteful number, since it uses less digits than its factorization.

121214212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329090 (or 4329088 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 121214212 is about 11009.7326034741. The cubic root of 121214212 is about 494.9004486398.

Adding to 121214212 its reverse (212412121), we get a palindrome (333626333).

The spelling of 121214212 in words is "one hundred twenty-one million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 4329079 8658158 17316316 30303553 60607106 121214212