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2221202201012 = 222931895223721
BaseRepresentation
bin100000010100101001111…
…101111101100110110100
321212100022101210221110122
4200110221331331212310
5242343010230413022
64420223423511112
7316322314122134
oct40245175754664
97770271727418
102221202201012
11787008810463
122ba598158498
131315c6343402
147971479aac4
153cba29e0742
hex20529f7d9b4

2221202201012 has 12 divisors (see below), whose sum is σ = 3900370419876. Its totient is φ = 1106810652480.

The previous prime is 2221202200991. The next prime is 2221202201021. The reversal of 2221202201012 is 2101022021222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1060747565476 + 1160454635536 = 1029926^2 + 1077244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947610689 + ... + 947613032.

It is an arithmetic number, because the mean of its divisors is an integer number (325030868323).

Almost surely, 22221202201012 is an apocalyptic number.

It is an amenable number.

2221202201012 is a deficient number, since it is larger than the sum of its proper divisors (1679168218864).

2221202201012 is a wasteful number, since it uses less digits than its factorization.

2221202201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895224018 (or 1895224016 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221202201012 its reverse (2101022021222), we get a palindrome (4322224222234).

The spelling of 2221202201012 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred one thousand, twelve".

Divisors: 1 2 4 293 586 1172 1895223721 3790447442 7580894884 555300550253 1110601100506 2221202201012