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1220201120002 = 21283994751599
BaseRepresentation
bin10001110000011001101…
…001111000000100000010
311022122112220200100000011
4101300121221320010002
5124442432441320002
62332315212415134
7154104502250434
oct21603151700402
94278486610004
101220201120002
114305367a3597
12178596a774aa
138b0ab84c657
14430b5404654
1521b184328d7
hex11c19a78102

1220201120002 has 8 divisors (see below), whose sum is σ = 1830316320000. Its totient is φ = 610095680004.

The previous prime is 1220201119999. The next prime is 1220201120003. The reversal of 1220201120002 is 2000211020221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1220201120003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119002 + ... + 2632597.

It is an arithmetic number, because the mean of its divisors is an integer number (228789540000).

Almost surely, 21220201120002 is an apocalyptic number.

1220201120002 is a deficient number, since it is larger than the sum of its proper divisors (610115199998).

1220201120002 is a wasteful number, since it uses less digits than its factorization.

1220201120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880000.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220201120002 its reverse (2000211020221), we get a palindrome (3220412140223).

The spelling of 1220201120002 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred twenty thousand, two".

Divisors: 1 2 128399 256798 4751599 9503198 610100560001 1220201120002