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10222012212 = 2231750107903
BaseRepresentation
bin10011000010100011…
…11000011100110100
3222101101112000121220
421201101320130310
5131413313342322
64410153110340
7511211445606
oct114121703464
928341460556
1010222012212
114376072085
121b933b83b0
13c6b9b0a49
146cd835176
153ec61455c
hex261478734

10222012212 has 24 divisors (see below), whose sum is σ = 25254383616. Its totient is φ = 3206905728.

The previous prime is 10222012183. The next prime is 10222012219. The reversal of 10222012212 is 21221022201.

It is a junction number, because it is equal to n+sod(n) for n = 10222012191 and 10222012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25053748 + ... + 25054155.

It is an arithmetic number, because the mean of its divisors is an integer number (1052265984).

Almost surely, 210222012212 is an apocalyptic number.

10222012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222012212 is an abundant number, since it is smaller than the sum of its proper divisors (15032371404).

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

10222012212 is a wasteful number, since it uses less digits than its factorization.

10222012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50107927 (or 50107925 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222012212 its reverse (21221022201), we get a palindrome (31443034413).

The spelling of 10222012212 in words is "ten billion, two hundred twenty-two million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 50107903 100215806 150323709 200431612 300647418 601294836 851834351 1703668702 2555503053 3407337404 5111006106 10222012212