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122221002010 = 25971031223311
BaseRepresentation
bin111000111010011110…
…0000111110100011010
3102200110210101012111011
41301310330013310122
54000302034031020
6132051512124134
711554515242632
oct1616474076432
9380423335434
10122221002010
1147919629878
121b82b69664a
13b6aa390243
145cb62cd6c2
1532a4e7035a
hex1c74f07d1a

122221002010 has 32 divisors (see below), whose sum is σ = 224423926272. Its totient is φ = 47914606080.

The previous prime is 122221001999. The next prime is 122221002011. The reversal of 122221002010 is 10200122221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122221002011) 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, 511746 + ... + 711565.

It is an arithmetic number, because the mean of its divisors is an integer number (7013247696).

Almost surely, 2122221002010 is an apocalyptic number.

122221002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221002010 is a deficient number, since it is larger than the sum of its proper divisors (102202924262).

122221002010 is a wasteful number, since it uses less digits than its factorization.

122221002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223518.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122221002010 its reverse (10200122221), we get a palindrome (132421124231).

The spelling of 122221002010 in words is "one hundred twenty-two billion, two hundred twenty-one million, two thousand, ten".

Divisors: 1 2 5 10 97 103 194 206 485 515 970 1030 9991 19982 49955 99910 1223311 2446622 6116555 12233110 118661167 126001033 237322334 252002066 593305835 630005165 1186611670 1260010330 12222100201 24444200402 61110501005 122221002010