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121202220220012 = 22184013672144843
BaseRepresentation
bin11011100011101110010111…
…010010000011111001101100
3120220010211010010020000012201
4123203232113102003321230
5111341234121334020022
61105435310432311244
734346400001352641
oct3343562722037154
9526124103200181
10121202220220012
1135689633640478
12117159763a2524
1352824219a5619
1421d030c3b9dc8
15e02b34204127
hex6e3b97483e6c

121202220220012 has 24 divisors (see below), whose sum is σ = 212125918857552. Its totient is φ = 60594815232000.

The previous prime is 121202220220001. The next prime is 121202220220021. The reversal of 121202220220012 is 210022022202121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702790063 + ... + 2702834905.

It is an arithmetic number, because the mean of its divisors is an integer number (8838579952398).

Almost surely, 2121202220220012 is an apocalyptic number.

It is an amenable number.

121202220220012 is a deficient number, since it is larger than the sum of its proper divisors (90923698637540).

121202220220012 is a wasteful number, since it uses less digits than its factorization.

121202220220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99969 (or 99967 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121202220220012 its reverse (210022022202121), we get a palindrome (331224242422133).

The spelling of 121202220220012 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 18401 36721 36802 44843 73442 73604 89686 146884 179372 675703121 825156043 1351406242 1646679803 1650312086 2702812484 3293359606 3300624172 6586719212 30300555055003 60601110110006 121202220220012