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1201420420332 = 2231172071262893
BaseRepresentation
bin10001011110111010001…
…111001100010011101100
311020212002001110221100220
4101132322033030103230
5124141002111422312
62315531441051340
7152541214035126
oct21367217142354
94225061427326
101201420420332
114235795629a0
12174a15326b50
13893a7966002
1442213034216
15213b9765c8c
hex117ba3cc4ec

1201420420332 has 48 divisors (see below), whose sum is σ = 3058587823872. Its totient is φ = 364015990080.

The previous prime is 1201420420331. The next prime is 1201420420339. The reversal of 1201420420332 is 2330240241021.

It is a happy number.

It is a super-2 number, since 2×12014204203322 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201420420331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319878 + ... + 1582770.

It is an arithmetic number, because the mean of its divisors is an integer number (63720579664).

Almost surely, 21201420420332 is an apocalyptic number.

1201420420332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201420420332 is an abundant number, since it is smaller than the sum of its proper divisors (1857167403540).

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

1201420420332 is a wasteful number, since it uses less digits than its factorization.

1201420420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270118 (or 1270116 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1201420420332 its reverse (2330240241021), we get a palindrome (3531660661353).

The spelling of 1201420420332 in words is "one trillion, two hundred one billion, four hundred twenty million, four hundred twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 7207 14414 21621 28828 43242 79277 86484 158554 237831 317108 475662 951324 1262893 2525786 3788679 5051572 7577358 13891823 15154716 27783646 41675469 55567292 83350938 166701876 9101669851 18203339702 27305009553 36406679404 54610019106 100118368361 109220038212 200236736722 300355105083 400473473444 600710210166 1201420420332