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1220220000023 is a prime number
BaseRepresentation
bin10001110000011010110…
…001111001011100010111
311022122121020012112112012
4101300122301321130113
5124443002310000043
62332321125214435
7154105121603303
oct21603261713427
94278536175465
101220220000023
11430546419412
121785a126141b
138b0b273006b
14430b7b1ad03
1521b19e11a18
hex11c1ac79717

1220220000023 has 2 divisors, whose sum is σ = 1220220000024. Its totient is φ = 1220220000022.

The previous prime is 1220219999983. The next prime is 1220220000061. The reversal of 1220220000023 is 3200000220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220220000023 - 28 = 1220219999767 is a prime.

It is a super-2 number, since 2×12202200000232 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220219999962 and 1220220000007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220220000323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110000011 + 610110000012.

It is an arithmetic number, because the mean of its divisors is an integer number (610110000012).

Almost surely, 21220220000023 is an apocalyptic number.

1220220000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220220000023 is an equidigital number, since it uses as much as digits as its factorization.

1220220000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 1220220000023 its reverse (3200000220221), we get a palindrome (4420220220244).

The spelling of 1220220000023 in words is "one trillion, two hundred twenty billion, two hundred twenty million, twenty-three", and thus it is an aban number.