Search a number
-
+
1212122010202 = 21075664121543
BaseRepresentation
bin10001101000111000000…
…110100001001001011010
311021212200212102000212021
4101220320012201021122
5124324411213311302
62324501405205054
7153400341042445
oct21507006411132
94255625360767
101212122010202
11428070302844
12176b0126078a
138a3c1acb3cc
144294a42665c
15217e400c437
hex11a381a125a

1212122010202 has 8 divisors (see below), whose sum is σ = 1835175380256. Its totient is φ = 600396883452.

The previous prime is 1212122010193. The next prime is 1212122010251. The reversal of 1212122010202 is 2020102212121.

It is a happy number.

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

It is a super-2 number, since 2×12121220102022 (a number of 25 digits) contains 22 as substring.

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, 2832060558 + ... + 2832060985.

It is an arithmetic number, because the mean of its divisors is an integer number (229396922532).

Almost surely, 21212122010202 is an apocalyptic number.

1212122010202 is a deficient number, since it is larger than the sum of its proper divisors (623053370054).

1212122010202 is a wasteful number, since it uses less digits than its factorization.

1212122010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664121652.

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

Adding to 1212122010202 its reverse (2020102212121), we get a palindrome (3232224222323).

The spelling of 1212122010202 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, ten thousand, two hundred two".

Divisors: 1 2 107 214 5664121543 11328243086 606061005101 1212122010202