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120011021011220 = 2256000551050561
BaseRepresentation
bin11011010010011000111110…
…010001101100100100010100
3120201220221102101202102011012
4123102120332101230210110
5111212230032334324340
61103124145115231352
734164336656220203
oct3322307621544424
9521827371672135
10120011021011220
113526a42a753049
1211562b34148558
1351c6cb57ccaa1
14218c7c8a4d23a
15dd1b66e95565
hex6d263e46c914

120011021011220 has 12 divisors (see below), whose sum is σ = 252023144123604. Its totient is φ = 48004408404480.

The previous prime is 120011021011201. The next prime is 120011021011249. The reversal of 120011021011220 is 22110120110021.

It can be written as a sum of positive squares in 2 ways, for example, as 68351324760196 + 51659696251024 = 8267486^2 + 7187468^2 .

It is a super-2 number, since 2×1200110210112202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120011021011195 and 120011021011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000275525261 + ... + 3000275525300.

It is an arithmetic number, because the mean of its divisors is an integer number (21001928676967).

Almost surely, 2120011021011220 is an apocalyptic number.

120011021011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011021011220 is an abundant number, since it is smaller than the sum of its proper divisors (132012123112384).

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

120011021011220 is a wasteful number, since it uses less digits than its factorization.

120011021011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000551050570 (or 6000551050568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120011021011220 its reverse (22110120110021), we get a palindrome (142121141121241).

The spelling of 120011021011220 in words is "one hundred twenty trillion, eleven billion, twenty-one million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6000551050561 12001102101122 24002204202244 30002755252805 60005510505610 120011021011220