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2212202120987 is a prime number
BaseRepresentation
bin100000001100010001100…
…001011000011100011011
321211111002011120111200102
4200030101201120130123
5242221042220332422
64412134400530015
7315553300525565
oct40142141303433
97744064514612
102212202120987
1178320a4750a1
122b88a602090b
131307c0865881
14790dd364335
153c8277ea192
hex2031185871b

2212202120987 has 2 divisors, whose sum is σ = 2212202120988. Its totient is φ = 2212202120986.

The previous prime is 2212202120957. The next prime is 2212202121029. The reversal of 2212202120987 is 7890212022122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212202120987 - 26 = 2212202120923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212202120987.

It is not a weakly prime, because it can be changed into another prime (2212202120917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106101060493 + 1106101060494.

It is an arithmetic number, because the mean of its divisors is an integer number (1106101060494).

Almost surely, 22212202120987 is an apocalyptic number.

2212202120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212202120987 is an equidigital number, since it uses as much as digits as its factorization.

2212202120987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 2212202120987 in words is "two trillion, two hundred twelve billion, two hundred two million, one hundred twenty thousand, nine hundred eighty-seven".