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1012200122 = 22232269507
BaseRepresentation
bin111100010101001…
…111001010111010
32121112122002112102
4330111033022322
54033110400442
6244234543402
734040362523
oct7425171272
92545562472
101012200122
1147a3a6a2a
12242b97b62
1313191c2ab
149860584a
155dce1232
hex3c54f2ba

1012200122 has 8 divisors (see below), whose sum is σ = 1525109376. Its totient is φ = 503830332.

The previous prime is 1012200121. The next prime is 1012200139. The reversal of 1012200122 is 2210022101.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1012200121) 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, 1134308 + ... + 1135199.

It is an arithmetic number, because the mean of its divisors is an integer number (190638672).

Almost surely, 21012200122 is an apocalyptic number.

1012200122 is a deficient number, since it is larger than the sum of its proper divisors (512909254).

1012200122 is a wasteful number, since it uses less digits than its factorization.

1012200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269732.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012200122 is about 31815.0926762755. The cubic root of 1012200122 is about 1004.0502804139.

Adding to 1012200122 its reverse (2210022101), we get a palindrome (3222222223).

The spelling of 1012200122 in words is "one billion, twelve million, two hundred thousand, one hundred twenty-two".

Divisors: 1 2 223 446 2269507 4539014 506100061 1012200122