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BaseRepresentation
bin10110010110110000…
…00101001101000100
31010222102220220022012
423023120011031010
5144040004202322
65302540553352
7603264335255
oct131330051504
933872826265
1012002022212
1150a9912a24
1223ab552858
1311936c20bb
1481bdc6b2c
154a3a1eae2
hex2cb605344

12002022212 has 6 divisors (see below), whose sum is σ = 21003538878. Its totient is φ = 6001011104.

The previous prime is 12002022143. The next prime is 12002022233. The reversal of 12002022212 is 21222020021.

It can be written as a sum of positive squares in only one way, i.e., 11656657156 + 345365056 = 107966^2 + 18584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500252773 + ... + 1500252780.

It is an arithmetic number, because the mean of its divisors is an integer number (3500589813).

Almost surely, 212002022212 is an apocalyptic number.

It is an amenable number.

12002022212 is a deficient number, since it is larger than the sum of its proper divisors (9001516666).

12002022212 is a wasteful number, since it uses less digits than its factorization.

12002022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000505557 (or 3000505555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12002022212 its reverse (21222020021), we get a palindrome (33224042233).

The spelling of 12002022212 in words is "twelve billion, two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 3000505553 6001011106 12002022212