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2221001201012 = 221150477300023
BaseRepresentation
bin100000010100011101111…
…111001101010101110100
321212022210101121002022012
4200110131333031111310
5242342102301413022
64420151443423352
7316314323501246
oct40243577152564
97768711532265
102221001201012
11786a15305160
122ba540984b58
131315937c8bb9
14796d5bd8096
153cb90039de2
hex2051dfcd574

2221001201012 has 12 divisors (see below), whose sum is σ = 4240093202016. Its totient is φ = 1009546000440.

The previous prime is 2221001201011. The next prime is 2221001201059. The reversal of 2221001201012 is 2101021001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221001201011) 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, 25238649968 + ... + 25238650055.

It is an arithmetic number, because the mean of its divisors is an integer number (353341100168).

Almost surely, 22221001201012 is an apocalyptic number.

2221001201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221001201012 is a deficient number, since it is larger than the sum of its proper divisors (2019092001004).

2221001201012 is a wasteful number, since it uses less digits than its factorization.

2221001201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50477300038 (or 50477300036 counting only the distinct ones).

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

Adding to 2221001201012 its reverse (2101021001222), we get a palindrome (4322022202234).

The spelling of 2221001201012 in words is "two trillion, two hundred twenty-one billion, one million, two hundred one thousand, twelve".

Divisors: 1 2 4 11 22 44 50477300023 100954600046 201909200092 555250300253 1110500600506 2221001201012