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212122140222 = 23473779199049
BaseRepresentation
bin1100010110001101110…
…1101111111000111110
3202021112011020012201210
43011203131233320332
511433411231441342
6241240401345250
721216404304456
oct3054335577076
9667464205653
10212122140222
1181a62466603
123513b338226
1317006879b05
14a3a4014d66
1557b77be79c
hex316376fe3e

212122140222 has 32 divisors (see below), whose sum is σ = 433387584000. Its totient is φ = 69184307648.

The previous prime is 212122140199. The next prime is 212122140259. The reversal of 212122140222 is 222041221212.

212122140222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 966154 + ... + 1165202.

It is an arithmetic number, because the mean of its divisors is an integer number (13543362000).

Almost surely, 2212122140222 is an apocalyptic number.

212122140222 is an abundant number, since it is smaller than the sum of its proper divisors (221265443778).

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

212122140222 is a wasteful number, since it uses less digits than its factorization.

212122140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202880.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212122140222 its reverse (222041221212), we get a palindrome (434163361434).

The spelling of 212122140222 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred forty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 47 94 141 282 3779 7558 11337 22674 177613 199049 355226 398098 532839 597147 1065678 1194294 9355303 18710606 28065909 56131818 752206171 1504412342 2256618513 4513237026 35353690037 70707380074 106061070111 212122140222