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2220120012031 is a prime number
BaseRepresentation
bin100000010011101001011…
…101101111010011111111
321212020111222111001021021
4200103221131233103333
5242333301210341111
64415524204445011
7316253433510205
oct40235135572377
97766458431237
102220120012031
117866029608a9
122ba335849767
1313148308a6bc
1479650b77075
153cb3c9c6d71
hex204e976f4ff

2220120012031 has 2 divisors, whose sum is σ = 2220120012032. Its totient is φ = 2220120012030.

The previous prime is 2220120012017. The next prime is 2220120012079. The reversal of 2220120012031 is 1302100210222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220120012031 - 215 = 2220119979263 is a prime.

It is a super-2 number, since 2×22201200120312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220120011996 and 2220120012014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220120016031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110060006015 + 1110060006016.

It is an arithmetic number, because the mean of its divisors is an integer number (1110060006016).

Almost surely, 22220120012031 is an apocalyptic number.

2220120012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220120012031 is an equidigital number, since it uses as much as digits as its factorization.

2220120012031 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 16.

Adding to 2220120012031 its reverse (1302100210222), we get a palindrome (3522220222253).

The spelling of 2220120012031 in words is "two trillion, two hundred twenty billion, one hundred twenty million, twelve thousand, thirty-one".