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1212202212330 = 235172376867083
BaseRepresentation
bin10001101000111100111…
…000011101101111101010
311021212220110022201111110
4101220330320131233222
5124330042231243310
62324513352211150
7153402333540054
oct21507470355752
94255813281443
101212202212330
1142810160189a
12176b24099ab6
138a4055cc7a5
1442956d428d4
15217eb0a0d20
hex11a3ce1dbea

1212202212330 has 32 divisors (see below), whose sum is σ = 3080419740864. Its totient is φ = 304238986496.

The previous prime is 1212202212293. The next prime is 1212202212343. The reversal of 1212202212330 is 332122022121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212202212297 and 1212202212306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188433032 + ... + 1188434051.

It is an arithmetic number, because the mean of its divisors is an integer number (96263116902).

Almost surely, 21212202212330 is an apocalyptic number.

1212202212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212202212330 is an abundant number, since it is smaller than the sum of its proper divisors (1868217528534).

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

1212202212330 is a wasteful number, since it uses less digits than its factorization.

1212202212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376867110.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1212202212330 its reverse (332122022121), we get a palindrome (1544324234451).

The spelling of 1212202212330 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 2376867083 4753734166 7130601249 11884335415 14261202498 23768670830 35653006245 40406740411 71306012490 80813480822 121220221233 202033702055 242440442466 404067404110 606101106165 1212202212330