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10212120202001 = 18795434869719
BaseRepresentation
bin1001010010011011000111…
…0011000000101100010001
31100011021021012210222211012
42110212301303000230101
52314303410232431001
633415214441100305
72102541600330224
oct224466163005421
940137235728735
1010212120202001
113287a32696393
12118b216487695
13590cca4a7053
142743aab9b5bb
1512a99247d2bb
hex949b1cc0b11

10212120202001 has 4 divisors (see below), whose sum is σ = 10217555073600. Its totient is φ = 10206685330404.

The previous prime is 10212120201919. The next prime is 10212120202021. The reversal of 10212120202001 is 10020202121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10212120202001 - 222 = 10212116007697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212120202021) 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, 2717432981 + ... + 2717436738.

It is an arithmetic number, because the mean of its divisors is an integer number (2554388768400).

Almost surely, 210212120202001 is an apocalyptic number.

It is an amenable number.

10212120202001 is a deficient number, since it is larger than the sum of its proper divisors (5434871599).

10212120202001 is an equidigital number, since it uses as much as digits as its factorization.

10212120202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434871598.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212120202001 its reverse (10020202121201), we get a palindrome (20232322323202).

The spelling of 10212120202001 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, one".

Divisors: 1 1879 5434869719 10212120202001