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121200102000201 = 3711698949333129
BaseRepresentation
bin11011100011101100011001…
…000001101100011001001001
3120220010121122111102021220010
4123203230121001230121021
5111341220302103001301
61105434320323422133
734346263340652660
oct3343543101543111
9526117574367803
10121200102000201
1135688746998594
1211715484b24949
135282174ba8713
1421d018ad49dd7
15e02a5d28d5d6
hex6e3b1906c649

121200102000201 has 16 divisors (see below), whose sum is σ = 184687452118400. Its totient is φ = 69256607741568.

The previous prime is 121200102000191. The next prime is 121200102000247. The reversal of 121200102000201 is 102000201002121.

It is not a de Polignac number, because 121200102000201 - 214 = 121200101983817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121200102800201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22209796 + ... + 27123333.

It is an arithmetic number, because the mean of its divisors is an integer number (11542965757400).

Almost surely, 2121200102000201 is an apocalyptic number.

It is an amenable number.

121200102000201 is a deficient number, since it is larger than the sum of its proper divisors (63487350118199).

121200102000201 is a wasteful number, since it uses less digits than its factorization.

121200102000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49450128.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121200102000201 its reverse (102000201002121), we get a palindrome (223200303002322).

The spelling of 121200102000201 in words is "one hundred twenty-one trillion, two hundred billion, one hundred two million, two hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 116989 350967 818923 2456769 49333129 147999387 345331903 1035995709 5771433428581 17314300285743 40400034000067 121200102000201