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1001212022 = 23135834507
BaseRepresentation
bin111011101011010…
…100100001110110
32120202221211200202
4323223110201312
54022302241042
6243203240502
733545106326
oct7353244166
92522854622
101001212022
11474181458
1223b379132
1312c572a65
1496d85286
155cd70632

1001212022 has 16 divisors (see below), whose sum is σ = 1551040512. Its totient is φ = 484214760.

The previous prime is 1001212019. The next prime is 1001212067. The reversal of 1001212022 is 2202121001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001211994 and 1001212012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 219893 + ... + 224399.

It is an arithmetic number, because the mean of its divisors is an integer number (96940032).

Almost surely, 21001212022 is an apocalyptic number.

1001212022 is a deficient number, since it is larger than the sum of its proper divisors (549828490).

1001212022 is a wasteful number, since it uses less digits than its factorization.

1001212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123.

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

The square root of 1001212022 is about 31641.9345489494. The cubic root of 1001212022 is about 1000.4038442212.

Adding to 1001212022 its reverse (2202121001), we get a palindrome (3203333023).

The spelling of 1001212022 in words is "one billion, one million, two hundred twelve thousand, twenty-two".