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121200202101112 = 23891391597176679
BaseRepresentation
bin11011100011101100011110…
…111111100011000101111000
3120220010121220110202221112021
4123203230132333203011320
5111341221003214213422
61105434334301124224
734346265664545241
oct3343543677430570
9526117813687467
10121200202101112
1135688798448912
12117154b2559674
13528218c856124
1421d019a365cc8
15e02a66e62dc7
hex6e3b1efe3178

121200202101112 has 64 divisors (see below), whose sum is σ = 231474529440000. Its totient is φ = 59483627132160.

The previous prime is 121200202101073. The next prime is 121200202101133. The reversal of 121200202101112 is 211101202002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580579589 + ... + 1580656267.

It is an arithmetic number, because the mean of its divisors is an integer number (3616789522500).

Almost surely, 2121200202101112 is an apocalyptic number.

It is an amenable number.

121200202101112 is a deficient number, since it is larger than the sum of its proper divisors (110274327338888).

121200202101112 is a wasteful number, since it uses less digits than its factorization.

121200202101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92884 (or 92880 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121200202101112 its reverse (211101202002121), we get a palindrome (332301404103233).

The spelling of 121200202101112 in words is "one hundred twenty-one trillion, two hundred billion, two hundred two million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 89 139 178 278 356 556 712 1112 12371 15971 24742 31942 49484 63884 76679 98968 127768 153358 306716 613432 1421419 2219969 2842838 4439938 5685676 6824431 8879876 10658381 11371352 13648862 17759752 21316762 27297724 42633524 54595448 85267048 197577241 395154482 790308964 948595909 1224640309 1580617928 1897191818 2449280618 3794383636 4898561236 7588767272 9797122472 108992987501 170225002951 217985975002 340450005902 435971950004 680900011804 871943900008 1361800023608 15150025262639 30300050525278 60600101050556 121200202101112