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121232022 = 2397720681
BaseRepresentation
bin1110011100111…
…01101010010110
322110010020001220
413032131222112
5222013411042
620010231210
73001312062
oct716355226
9273106056
10121232022
116248345a
1234725506
131c168932
141215aaa2
15a99a8ec
hex739da96

121232022 has 16 divisors (see below), whose sum is σ = 242723952. Its totient is φ = 40367360.

The previous prime is 121232021. The next prime is 121232029. The reversal of 121232022 is 220232121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121231992 and 121232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4479 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (15170247).

Almost surely, 2121232022 is an apocalyptic number.

121232022 is an abundant number, since it is smaller than the sum of its proper divisors (121491930).

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

121232022 is a wasteful number, since it uses less digits than its factorization.

121232022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121232022 is about 11010.5414035823. The cubic root of 121232022 is about 494.9246860214.

Adding to 121232022 its reverse (220232121), we get a palindrome (341464143).

Subtracting 121232022 from its reverse (220232121), we obtain a palindrome (99000099).

The spelling of 121232022 in words is "one hundred twenty-one million, two hundred thirty-two thousand, twenty-two".

Divisors: 1 2 3 6 977 1954 2931 5862 20681 41362 62043 124086 20205337 40410674 60616011 121232022