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131201204132000 = 2553611870128753
BaseRepresentation
bin11101110101001110101001…
…001010101001100010100000
3122012112201020111111122022202
4131311032221022221202200
5114144100031224211000
61143013000123152332
736430655101312442
oct3565165112514240
9565481214448282
10131201204132000
1138894133362532
121286b8099756a8
1358292b3480022
14245825a5b0492
151027c9ed38dd5
hex7753a92a98a0

131201204132000 has 192 divisors, whose sum is σ = 327674887027488. Its totient is φ = 51615590400000.

The previous prime is 131201204131897. The next prime is 131201204132027. The reversal of 131201204132000 is 231402102131.

It can be written as a sum of positive squares in 16 ways, for example, as 23532938357776 + 107668265774224 = 4851076^2 + 10376332^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4563029624 + ... + 4563058376.

Almost surely, 2131201204132000 is an apocalyptic number.

131201204132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131201204132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163837443513744).

131201204132000 is an abundant number, since it is smaller than the sum of its proper divisors (196473682895488).

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

131201204132000 is a wasteful number, since it uses less digits than its factorization.

131201204132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540 (or 47522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131201204132000 its reverse (231402102131), we get a palindrome (131432606234131).

The spelling of 131201204132000 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred four million, one hundred thirty-two thousand".