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10121210000201 = 14293708123557
BaseRepresentation
bin1001001101001000011100…
…1000000111001101001001
31022211120121112020020120002
42103102013020013031021
52311311214230001301
633305341504012345
72063143006345136
oct223220710071511
938746545206502
1010121210000201
113252421205203
1211756849010b5
1358556cc28a31
1426dc2504958d
1512842125c16b
hex93487207349

10121210000201 has 4 divisors (see below), whose sum is σ = 10121918138052. Its totient is φ = 10120501862352.

The previous prime is 10121210000191. The next prime is 10121210000243. The reversal of 10121210000201 is 10200001212101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493991094025 + 9627218906176 = 702845^2 + 3102776^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121210000201 - 214 = 10121209983817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121210000501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354047486 + ... + 354076071.

It is an arithmetic number, because the mean of its divisors is an integer number (2530479534513).

Almost surely, 210121210000201 is an apocalyptic number.

It is an amenable number.

10121210000201 is a deficient number, since it is larger than the sum of its proper divisors (708137851).

10121210000201 is an equidigital number, since it uses as much as digits as its factorization.

10121210000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708137850.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121210000201 its reverse (10200001212101), we get a palindrome (20321211212302).

The spelling of 10121210000201 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, two hundred one", and thus it is an aban number.

Divisors: 1 14293 708123557 10121210000201