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120012211112020 = 2257977703977411
BaseRepresentation
bin11011010010011010000101…
…001101100100100001010100
3120201221001111100010210112121
4123102122011031210201110
5111212240002021041040
61103124503151225324
734164411320005633
oct3322320515444124
9521831440123477
10120012211112020
113526a990508427
1211563206818244
1351c7145239546
14218c89cb2351a
15dd1bd66c7c4a
hex6d2685364854

120012211112020 has 48 divisors (see below), whose sum is σ = 252374878320768. Its totient is φ = 47938379269760.

The previous prime is 120012211111999. The next prime is 120012211112039. The reversal of 120012211112020 is 20211112210021.

It is a junction number, because it is equal to n+sod(n) for n = 120012211111985 and 120012211112003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122297115 + ... + 123274525.

It is an arithmetic number, because the mean of its divisors is an integer number (5257809965016).

Almost surely, 2120012211112020 is an apocalyptic number.

120012211112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012211112020 is an abundant number, since it is smaller than the sum of its proper divisors (132362667208748).

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

120012211112020 is a wasteful number, since it uses less digits than its factorization.

120012211112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985920 (or 985918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120012211112020 its reverse (20211112210021), we get a palindrome (140223323322041).

The spelling of 120012211112020 in words is "one hundred twenty trillion, twelve billion, two hundred eleven million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 797 1594 3188 3985 7703 7970 15406 15940 30812 38515 77030 154060 977411 1954822 3909644 4887055 6139291 9774110 12278582 19548220 24557164 30696455 61392910 122785820 778996567 1557993134 3115986268 3894982835 7528996933 7789965670 15057993866 15579931340 30115987732 37644984665 75289969330 150579938660 6000610555601 12001221111202 24002442222404 30003052778005 60006105556010 120012211112020