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1301201220000 = 25354111971517
BaseRepresentation
bin10010111011110101101…
…000101111000110100000
311121101121221122202021210
4102323311220233012200
5132304330003020000
62433432533550120
7163002656610453
oct22736550570640
94541557582253
101301201220000
114619221915a0
121902217a5340
1395919c27cc6
1446d9ad1549a
1523ca9602350
hex12ef5a2f1a0

1301201220000 has 240 divisors, whose sum is σ = 4656220807392. Its totient is φ = 315442560000.

The previous prime is 1301201219963. The next prime is 1301201220019. The reversal of 1301201220000 is 221021031.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×13012012200002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 325759 + ... + 1645758.

Almost surely, 21301201220000 is an apocalyptic number.

1301201220000 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 1301201220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328110403696).

1301201220000 is an abundant number, since it is smaller than the sum of its proper divisors (3355019587392).

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

1301201220000 is a wasteful number, since it uses less digits than its factorization.

1301201220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971561 (or 1971538 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1301201220000 its reverse (221021031), we get a palindrome (1301422241031).

The spelling of 1301201220000 in words is "one trillion, three hundred one billion, two hundred one million, two hundred twenty thousand".