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1220011012202 = 23153591367181
BaseRepresentation
bin10001110000001110010…
…100101011000001101010
311022122001122221212010112
4101300032110223001222
5124442040304342302
62332244302014322
7154100003333333
oct21601624530152
94278048855115
101220011012202
11430449457804
121785432773a2
138b07b349b28
144309807928a
1521b068ce552
hex11c0e52b06a

1220011012202 has 16 divisors (see below), whose sum is σ = 1889089703424. Its totient is φ = 590315286000.

The previous prime is 1220011012159. The next prime is 1220011012223. The reversal of 1220011012202 is 2022101100221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139052 + ... + 3506232.

It is an arithmetic number, because the mean of its divisors is an integer number (118068106464).

Almost surely, 21220011012202 is an apocalyptic number.

1220011012202 is a deficient number, since it is larger than the sum of its proper divisors (669078691222).

1220011012202 is a wasteful number, since it uses less digits than its factorization.

1220011012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420805.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220011012202 its reverse (2022101100221), we get a palindrome (3242112112423).

The spelling of 1220011012202 in words is "one trillion, two hundred twenty billion, eleven million, twelve thousand, two hundred two".

Divisors: 1 2 31 62 53591 107182 367181 734362 1661321 3322642 11382611 22765222 19677596971 39355193942 610005506101 1220011012202