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121023112002 = 23131551578359
BaseRepresentation
bin111000010110110001…
…0100010001101000010
3102120101022100002022120
41300231202202031002
53440323404041002
6131333001145110
711513031323142
oct1605542421502
9376338302276
10121023112002
1147364434331
121b55648b196
13b5491572a0
145c0118c922
153234beecbc
hex1c2d8a2342

121023112002 has 16 divisors (see below), whose sum is σ = 260665164480. Its totient is φ = 37237880592.

The previous prime is 121023111997. The next prime is 121023112027. The reversal of 121023112002 is 200211320121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775789102 + ... + 775789257.

It is an arithmetic number, because the mean of its divisors is an integer number (16291572780).

Almost surely, 2121023112002 is an apocalyptic number.

121023112002 is an abundant number, since it is smaller than the sum of its proper divisors (139642052478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023112002 is a wasteful number, since it uses less digits than its factorization.

121023112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551578377.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121023112002 its reverse (200211320121), we get a palindrome (321234432123).

The spelling of 121023112002 in words is "one hundred twenty-one billion, twenty-three million, one hundred twelve thousand, two".

Divisors: 1 2 3 6 13 26 39 78 1551578359 3103156718 4654735077 9309470154 20170518667 40341037334 60511556001 121023112002