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10121201202001 = 97205935066881
BaseRepresentation
bin1001001101001000011010…
…0110100011001101010001
31022211120120220200020200211
42103102012212203031101
52311311210001431001
633305340551244121
72063142541512331
oct223220646431521
938746526606624
1010121201202001
113252417245a6a
121175681979641
1358556b1681b6
1426dc23bd90c1
151284205c0351
hex934869a3351

10121201202001 has 8 divisors (see below), whose sum is σ = 10226042054984. Its totient is φ = 10016370524160.

The previous prime is 10121201201999. The next prime is 10121201202037. The reversal of 10121201202001 is 10020210212101.

It can be written as a sum of positive squares in 4 ways, for example, as 5453981061376 + 4667220140625 = 2335376^2 + 2160375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121201202001 - 21 = 10121201201999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121201205001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535920 + ... + 4530961.

It is an arithmetic number, because the mean of its divisors is an integer number (1278255256873).

Almost surely, 210121201202001 is an apocalyptic number.

It is an amenable number.

10121201202001 is a deficient number, since it is larger than the sum of its proper divisors (104840852983).

10121201202001 is an equidigital number, since it uses as much as digits as its factorization.

10121201202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087571.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121201202001 its reverse (10020210212101), we get a palindrome (20141411414102).

The spelling of 10121201202001 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, two hundred two thousand, one".

Divisors: 1 97 20593 1997521 5066881 491487457 104342280433 10121201202001