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212202210001 = 1699124898299
BaseRepresentation
bin1100010110100000111…
…1001100001011010001
3202021201201220011211011
43011220033030023101
511434042231210001
6241252341450521
721221366011165
oct3055017141321
9667651804734
10212202210001
1181aa3685181
1235162110a41
131701a332b92
14a3b08d8ca5
1557be838d51
hex31683cc2d1

212202210001 has 4 divisors (see below), whose sum is σ = 212327110000. Its totient is φ = 212077310004.

The previous prime is 212202209977. The next prime is 212202210029. The reversal of 212202210001 is 100012202212.

It is a happy number.

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 212202210001 - 25 = 212202209969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202210061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62447451 + ... + 62450848.

It is an arithmetic number, because the mean of its divisors is an integer number (53081777500).

Almost surely, 2212202210001 is an apocalyptic number.

It is an amenable number.

212202210001 is a deficient number, since it is larger than the sum of its proper divisors (124899999).

212202210001 is a wasteful number, since it uses less digits than its factorization.

212202210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124899998.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212202210001 its reverse (100012202212), we get a palindrome (312214412213).

The spelling of 212202210001 in words is "two hundred twelve billion, two hundred two million, two hundred ten thousand, one".

Divisors: 1 1699 124898299 212202210001