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1202312212103 = 10961722697879
BaseRepresentation
bin10001011111101111011…
…001000110111010000111
311020221101012112122200202
4101133233121012322013
5124144313411241403
62320200135201115
7152602263116132
oct21375731067207
94227335478622
101202312212103
11423996999292
12175023b1619b
13894ba647552
1442299655219
152141cbc0688
hex117ef646e87

1202312212103 has 16 divisors (see below), whose sum is σ = 1215999048000. Its totient is φ = 1188676000512.

The previous prime is 1202312211979. The next prime is 1202312212121. The reversal of 1202312212103 is 3012122132021.

It is a cyclic number.

It is not a de Polignac number, because 1202312212103 - 212 = 1202312208007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202312215103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152593118 + ... + 152600996.

It is an arithmetic number, because the mean of its divisors is an integer number (75999940500).

Almost surely, 21202312212103 is an apocalyptic number.

1202312212103 is a deficient number, since it is larger than the sum of its proper divisors (13686835897).

1202312212103 is a wasteful number, since it uses less digits than its factorization.

1202312212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874.

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

Adding to 1202312212103 its reverse (3012122132021), we get a palindrome (4214434344124).

The spelling of 1202312212103 in words is "one trillion, two hundred two billion, three hundred twelve million, two hundred twelve thousand, one hundred three".

Divisors: 1 109 617 2269 7879 67253 247321 858811 1399973 4861343 17877451 152597057 529886387 1948642159 11030387267 1202312212103