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212133342012 = 22329609578569
BaseRepresentation
bin1100010110010000100…
…0011110101100111100
3202021112221022022200220
43011210020132230330
511433422113421022
6241241441421340
721216601440654
oct3054410365474
9667487268626
10212133342012
1181a68817689
123514303a850
1317008c9c6a7
14a3a56cd364
1557b878385c
hex316421eb3c

212133342012 has 24 divisors (see below), whose sum is σ = 512045998800. Its totient is φ = 68272799616.

The previous prime is 212133341993. The next prime is 212133342013. The reversal of 212133342012 is 210243331212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133342013) 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, 304788937 + ... + 304789632.

It is an arithmetic number, because the mean of its divisors is an integer number (21335249950).

Almost surely, 2212133342012 is an apocalyptic number.

It is an amenable number.

212133342012 is an abundant number, since it is smaller than the sum of its proper divisors (299912656788).

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

212133342012 is a wasteful number, since it uses less digits than its factorization.

212133342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609578605 (or 609578603 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212133342012 its reverse (210243331212), we get a palindrome (422376673224).

The spelling of 212133342012 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 609578569 1219157138 1828735707 2438314276 3657471414 7314942828 17677778501 35355557002 53033335503 70711114004 106066671006 212133342012