Search a number
-
+
122220120201212 = 2211101173158972701
BaseRepresentation
bin11011110010100010010110…
…110110010101011111111100
3121000202010111022121200201102
4123302202112312111133330
5112004423301232414322
61111535051553432232
734513053341423045
oct3362422666253774
9530663438550642
10122220120201212
1135a41297644160
121185b0b2b6b678
1353274005524c7
1422276b1c558cc
15e1e35c168792
hex6f2896d957fc

122220120201212 has 48 divisors (see below), whose sum is σ = 237001591268064. Its totient is φ = 54686608800000.

The previous prime is 122220120201167. The next prime is 122220120201233. The reversal of 122220120201212 is 212102021022221.

It is a super-2 number, since 2×1222201202012122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78717539 + ... + 80255162.

It is an arithmetic number, because the mean of its divisors is an integer number (4937533151418).

Almost surely, 2122220120201212 is an apocalyptic number.

It is an amenable number.

122220120201212 is a deficient number, since it is larger than the sum of its proper divisors (114781471066852).

122220120201212 is a wasteful number, since it uses less digits than its factorization.

122220120201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158972990 (or 158972988 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122220120201212 its reverse (212102021022221), we get a palindrome (334322141223433).

The spelling of 122220120201212 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 101 173 202 346 404 692 1111 1903 2222 3806 4444 7612 17473 34946 69892 192203 384406 768812 158972701 317945402 635890804 1748699711 3497399422 6994798844 16056242801 27502277273 32112485602 55004554546 64224971204 110009109092 176618670811 302525050003 353237341622 605050100006 706474683244 1210100200012 2777730004573 5555460009146 11110920018292 30555030050303 61110060100606 122220120201212