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212212202012 = 22179296385757
BaseRepresentation
bin1100010110100011010…
…1010011101000011100
3202021202102200211021122
43011220311103220130
511434102310431022
6241253335550112
721221546645336
oct3055065235034
9667672624248
10212212202012
1181aa928a338
123516552b338
131701c420c05
14a3b1d7a456
1557c065e742
hex3168d53a1c

212212202012 has 12 divisors (see below), whose sum is σ = 373446055080. Its totient is φ = 105513329136.

The previous prime is 212212202009. The next prime is 212212202051. The reversal of 212212202012 is 210202212212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148192163 + ... + 148193594.

It is an arithmetic number, because the mean of its divisors is an integer number (31120504590).

Almost surely, 2212212202012 is an apocalyptic number.

It is an amenable number.

212212202012 is a deficient number, since it is larger than the sum of its proper divisors (161233853068).

212212202012 is a wasteful number, since it uses less digits than its factorization.

212212202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296385940 (or 296385938 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212212202012 its reverse (210202212212), we get a palindrome (422414414224).

The spelling of 212212202012 in words is "two hundred twelve billion, two hundred twelve million, two hundred two thousand, twelve".

Divisors: 1 2 4 179 358 716 296385757 592771514 1185543028 53053050503 106106101006 212212202012