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1201201001022 = 231157601315967
BaseRepresentation
bin10001011110101101001…
…010001011001000111110
311020211111202121021122210
4101132231022023020332
5124140024424013042
62315454002121250
7152532611020521
oct21365512131076
94224452537583
101201201001022
11423476716a20
12174973950226
138937136c9b9
14421d1c38bb8
15213a5372a9c
hex117ad28b23e

1201201001022 has 32 divisors (see below), whose sum is σ = 2620855977984. Its totient is φ = 363992832000.

The previous prime is 1201201000963. The next prime is 1201201001027. The reversal of 1201201001022 is 2201001021021.

It is a junction number, because it is equal to n+sod(n) for n = 1201201000989 and 1201201001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201201001027) 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, 3643683 + ... + 3959649.

It is an arithmetic number, because the mean of its divisors is an integer number (81901749312).

Almost surely, 21201201001022 is an apocalyptic number.

1201201001022 is an abundant number, since it is smaller than the sum of its proper divisors (1419654976962).

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

1201201001022 is a wasteful number, since it uses less digits than its factorization.

1201201001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373584.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201201001022 its reverse (2201001021021), we get a palindrome (3402202022043).

The spelling of 1201201001022 in words is "one trillion, two hundred one billion, two hundred one million, one thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 57601 115202 172803 315967 345606 631934 633611 947901 1267222 1895802 1900833 3475637 3801666 6951274 10426911 20853822 18200015167 36400030334 54600045501 109200091002 200200166837 400400333674 600600500511 1201201001022