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122010220209 = 31723104015533
BaseRepresentation
bin111000110100001100…
…0000011011010110001
3102122221002202101012210
41301220120003122301
53444334104021314
6132014542242333
711546345521503
oct1615030033261
9378832671183
10122010220209
1147820652339
121b790b863a9
13b6757cc597
145c96301d73
1532916d6559
hex1c686036b1

122010220209 has 16 divisors (see below), whose sum is σ = 179738842752. Its totient is φ = 73226934528.

The previous prime is 122010220201. The next prime is 122010220229. The reversal of 122010220209 is 902022010221.

It is a happy number.

It is not a de Polignac number, because 122010220209 - 23 = 122010220201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122010220201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52006594 + ... + 52008939.

It is an arithmetic number, because the mean of its divisors is an integer number (11233677672).

Almost surely, 2122010220209 is an apocalyptic number.

It is an amenable number.

122010220209 is a deficient number, since it is larger than the sum of its proper divisors (57728622543).

122010220209 is a wasteful number, since it uses less digits than its factorization.

122010220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104015576.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 122010220209 in words is "one hundred twenty-two billion, ten million, two hundred twenty thousand, two hundred nine".

Divisors: 1 3 17 23 51 69 391 1173 104015533 312046599 1768264061 2392357259 5304792183 7177071777 40670073403 122010220209