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1202012111 is a prime number
BaseRepresentation
bin100011110100101…
…0011111111001111
310002202210112122002
41013221103333033
54430203341421
6315135142515
741533635326
oct10751237717
93082715562
101202012111
11567560543
12296674a3b
1316204a291
14b58d50bd
15707d6b0b
hex47a53fcf

1202012111 has 2 divisors, whose sum is σ = 1202012112. Its totient is φ = 1202012110.

The previous prime is 1202012101. The next prime is 1202012117. The reversal of 1202012111 is 1112102021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1202012111 is a prime.

It is a super-2 number, since 2×12020121112 = 2889666229981352642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202012092 and 1202012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601006055 + 601006056.

It is an arithmetic number, because the mean of its divisors is an integer number (601006056).

Almost surely, 21202012111 is an apocalyptic number.

1202012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202012111 is an equidigital number, since it uses as much as digits as its factorization.

1202012111 is an evil number, because the sum of its binary digits is even.

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

The square root of 1202012111 is about 34670.0463080164. The cubic root of 1202012111 is about 1063.2521783586.

Adding to 1202012111 its reverse (1112102021), we get a palindrome (2314114132).

The spelling of 1202012111 in words is "one billion, two hundred two million, twelve thousand, one hundred eleven".