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1201420131222 = 23892249850433
BaseRepresentation
bin10001011110111010001…
…110000101101110010110
311020212002000221020210010
4101132322032011232112
5124141002023144342
62315531430541050
7152541211422213
oct21367216055626
94225060836703
101201420131222
11423579385763
12174a15207786
13893a789453c
1442212d9ab0a
15213b970a29c
hex117ba385b96

1201420131222 has 16 divisors (see below), whose sum is σ = 2429838468720. Its totient is φ = 395973676032.

The previous prime is 1201420131199. The next prime is 1201420131269. The reversal of 1201420131222 is 2221310241021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124924683 + ... + 1124925750.

It is an arithmetic number, because the mean of its divisors is an integer number (151864904295).

Almost surely, 21201420131222 is an apocalyptic number.

1201420131222 is an abundant number, since it is smaller than the sum of its proper divisors (1228418337498).

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

1201420131222 is a wasteful number, since it uses less digits than its factorization.

1201420131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249850527.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1201420131222 its reverse (2221310241021), we get a palindrome (3422730372243).

The spelling of 1201420131222 in words is "one trillion, two hundred one billion, four hundred twenty million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 89 178 267 534 2249850433 4499700866 6749551299 13499102598 200236688537 400473377074 600710065611 1201420131222