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211212122002 = 27432331505797
BaseRepresentation
bin1100010010110100111…
…0010011011110010010
3202012011201212111102021
43010231032103132102
511430030300401002
6241010212442054
721155014262230
oct3045516233622
9665151774367
10211212122002
1181635811432
1234b2661932a
1316bc01864ab
14a31920b950
155762964737
hex312d393792

211212122002 has 32 divisors (see below), whose sum is σ = 372088708992. Its totient is φ = 88034857344.

The previous prime is 211212121969. The next prime is 211212122021. The reversal of 211212122002 is 200221212112.

It is a happy number.

211212122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112121220022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 612633 + ... + 893164.

It is an arithmetic number, because the mean of its divisors is an integer number (11627772156).

Almost surely, 2211212122002 is an apocalyptic number.

211212122002 is a deficient number, since it is larger than the sum of its proper divisors (160876586990).

211212122002 is a wasteful number, since it uses less digits than its factorization.

211212122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506082.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211212122002 its reverse (200221212112), we get a palindrome (411433334114).

The spelling of 211212122002 in words is "two hundred eleven billion, two hundred twelve million, one hundred twenty-two thousand, two".

Divisors: 1 2 7 14 43 86 233 301 466 602 1631 3262 10019 20038 70133 140266 1505797 3011594 10540579 21081158 64749271 129498542 350850701 453244897 701701402 906489794 2455954907 4911909814 15086580143 30173160286 105606061001 211212122002