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1012210211 = 97110212
BaseRepresentation
bin111100010101010…
…001101000100011
32121112122121101002
4330111101220203
54033111211321
6244235102215
734040434115
oct7425215043
92545577332
101012210211
1147a403571
12242ba196b
13131923a6c
14986093b5
155dce420b
hex3c551a23

1012210211 has 6 divisors (see below), whose sum is σ = 1014246036. Its totient is φ = 1010177400.

The previous prime is 1012210201. The next prime is 1012210217. The reversal of 1012210211 is 1120122101.

It is not a de Polignac number, because 1012210211 - 214 = 1012193827 is a prime.

It is a super-2 number, since 2×10122102112 = 2049139022505329042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012210192 and 1012210201.

It is not an unprimeable number, because it can be changed into a prime (1012210217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990881 + ... + 991901.

It is an arithmetic number, because the mean of its divisors is an integer number (169041006).

Almost surely, 21012210211 is an apocalyptic number.

1012210211 is a deficient number, since it is larger than the sum of its proper divisors (2035825).

1012210211 is an frugal number, since it uses more digits than its factorization.

1012210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 1992 counting only the distinct ones).

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

The square root of 1012210211 is about 31815.2512327028. The cubic root of 1012210211 is about 1004.0536163253.

Adding to 1012210211 its reverse (1120122101), we get a palindrome (2132332312).

The spelling of 1012210211 in words is "one billion, twelve million, two hundred ten thousand, two hundred eleven".

Divisors: 1 971 1021 991391 1042441 1012210211