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1212020110032 = 243103012451259
BaseRepresentation
bin10001101000110010000…
…001110011001011010000
311021212102202122222002220
4101220302001303023100
5124324204122010112
62324443325141040
7153364662644424
oct21506201631320
94255382588086
101212020110032
11428018833726
12176a930ba780
138a3a6970a54
144293aa9cb84
15217da0ce98c
hex11a320732d0

1212020110032 has 40 divisors (see below), whose sum is σ = 3131357184480. Its totient is φ = 403967318400.

The previous prime is 1212020110031. The next prime is 1212020110139. The reversal of 1212020110032 is 2300110202121.

It is a junction number, because it is equal to n+sod(n) for n = 1212020109993 and 1212020110020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212020110031) 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, 731182 + ... + 1720077.

It is an arithmetic number, because the mean of its divisors is an integer number (78283929612).

Almost surely, 21212020110032 is an apocalyptic number.

1212020110032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212020110032 is an abundant number, since it is smaller than the sum of its proper divisors (1919337074448).

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

1212020110032 is a wasteful number, since it uses less digits than its factorization.

1212020110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461571 (or 2461565 counting only the distinct ones).

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

Adding to 1212020110032 its reverse (2300110202121), we get a palindrome (3512130312153).

The spelling of 1212020110032 in words is "one trillion, two hundred twelve billion, twenty million, one hundred ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 10301 20602 30903 41204 61806 82408 123612 164816 247224 494448 2451259 4902518 7353777 9805036 14707554 19610072 29415108 39220144 58830216 117660432 25250418959 50500837918 75751256877 101001675836 151502513754 202003351672 303005027508 404006703344 606010055016 1212020110032