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120212003221 is a prime number
BaseRepresentation
bin110111111110100110…
…0011001100110010101
3102111021210002111020121
41233331030121212111
53432143233100341
6131120304231541
711453652111412
oct1577514314625
9374253074217
10120212003221
1146a885a62a2
121b36a90b5b1
13b44a0b4c6b
145b65571109
1531d88d14d1
hex1bfd319995

120212003221 has 2 divisors, whose sum is σ = 120212003222. Its totient is φ = 120212003220.

The previous prime is 120212003213. The next prime is 120212003281. The reversal of 120212003221 is 122300212021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113730143121 + 6481860100 = 337239^2 + 80510^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212003221 - 23 = 120212003213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120212003195 and 120212003204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212003281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106001610 + 60106001611.

It is an arithmetic number, because the mean of its divisors is an integer number (60106001611).

Almost surely, 2120212003221 is an apocalyptic number.

It is an amenable number.

120212003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212003221 is an equidigital number, since it uses as much as digits as its factorization.

120212003221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120212003221 its reverse (122300212021), we get a palindrome (242512215242).

The spelling of 120212003221 in words is "one hundred twenty billion, two hundred twelve million, three thousand, two hundred twenty-one".