Search a number
-
+
1212120202222 = 21735650594183
BaseRepresentation
bin10001101000110111111…
…111100111101111101110
311021212200202000011210001
4101220313333213233232
5124324410232432342
62324501302334514
7153400316502406
oct21506777475756
94255622004701
101212120202222
1142806a288446
12176b0072a43a
138a3c16174b7
144294a0b5806
15217e3ca18b7
hex11a37fe7bee

1212120202222 has 8 divisors (see below), whose sum is σ = 1925132085936. Its totient is φ = 570409506912.

The previous prime is 1212120202219. The next prime is 1212120202243. The reversal of 1212120202222 is 2222020212121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212120202222.

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, 17825297058 + ... + 17825297125.

It is an arithmetic number, because the mean of its divisors is an integer number (240641510742).

Almost surely, 21212120202222 is an apocalyptic number.

1212120202222 is a deficient number, since it is larger than the sum of its proper divisors (713011883714).

1212120202222 is a wasteful number, since it uses less digits than its factorization.

1212120202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35650594202.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212120202222 its reverse (2222020212121), we get a palindrome (3434140414343).

The spelling of 1212120202222 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 17 34 35650594183 71301188366 606060101111 1212120202222