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120213121187 is a prime number
BaseRepresentation
bin110111111110101000…
…0101010100010100011
3102111021212012021210202
41233331100222202203
53432144024334222
6131120344215415
711453664445655
oct1577520524243
9374255167722
10120213121187
1146a8919a235
121b36b16a56b
13b44a3b6a93
145b657826d5
1531d8a52892
hex1bfd42a8a3

120213121187 has 2 divisors, whose sum is σ = 120213121188. Its totient is φ = 120213121186.

The previous prime is 120213121177. The next prime is 120213121219. The reversal of 120213121187 is 781121312021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120213121187 - 26 = 120213121123 is a prime.

It is not a weakly prime, because it can be changed into another prime (120213121117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106560593 + 60106560594.

It is an arithmetic number, because the mean of its divisors is an integer number (60106560594).

Almost surely, 2120213121187 is an apocalyptic number.

120213121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120213121187 is an equidigital number, since it uses as much as digits as its factorization.

120213121187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 29.

The spelling of 120213121187 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred eighty-seven".