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2221212212002 = 27158658015143
BaseRepresentation
bin100000010100101010100…
…100001001101100100010
321212100100002122112222001
4200110222210021230202
5242343020311241002
64420224422234214
7316322465165530
oct40245244115442
97770302575861
102221212212002
11787013428903
122ba59b58596a
131315c8439c84
1479715c45150
153cba381ba87
hex2052a909b22

2221212212002 has 8 divisors (see below), whose sum is σ = 3807792363456. Its totient is φ = 951948090852.

The previous prime is 2221212211991. The next prime is 2221212212003. The reversal of 2221212212002 is 2002122121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2221212212003) 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, 79329007558 + ... + 79329007585.

It is an arithmetic number, because the mean of its divisors is an integer number (475974045432).

Almost surely, 22221212212002 is an apocalyptic number.

2221212212002 is a deficient number, since it is larger than the sum of its proper divisors (1586580151454).

2221212212002 is a wasteful number, since it uses less digits than its factorization.

2221212212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158658015152.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221212212002 its reverse (2002122121222), we get a palindrome (4223334333224).

The spelling of 2221212212002 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, two".

Divisors: 1 2 7 14 158658015143 317316030286 1110606106001 2221212212002