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1220022210002 = 22112891047891
BaseRepresentation
bin10001110000001110111…
…111011000110111010010
311022122002110000202121212
4101300032333120313102
5124442101141210002
62332245342020122
7154100200452101
oct21601677306722
94278073022555
101220022210002
11430454805892
12178546b77642
138b08076a94b
1443099752038
1521b07892352
hex11c0efd8dd2

1220022210002 has 8 divisors (see below), whose sum is σ = 1838706459312. Its totient is φ = 607120056900.

The previous prime is 1220022209911. The next prime is 1220022210007. The reversal of 1220022210002 is 2000122200221.

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 (1220022210007) 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, 1445523524 + ... + 1445524367.

It is an arithmetic number, because the mean of its divisors is an integer number (229838307414).

Almost surely, 21220022210002 is an apocalyptic number.

1220022210002 is a deficient number, since it is larger than the sum of its proper divisors (618684249310).

1220022210002 is a wasteful number, since it uses less digits than its factorization.

1220022210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891048104.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1220022210002 its reverse (2000122200221), we get a palindrome (3220144410223).

The spelling of 1220022210002 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred ten thousand, two".

Divisors: 1 2 211 422 2891047891 5782095782 610011105001 1220022210002