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1220112010002 = 231716193738707
BaseRepresentation
bin10001110000010100010…
…101111100101100010010
311022122022201000002001210
4101300110111330230102
5124442242133310002
62332302310440550
7154102340652504
oct21602425745422
94278281002053
101220112010002
114304a046a966
12178571063156
138b09624c842
14430a7649d74
1521b106ce96c
hex11c1457cb12

1220112010002 has 32 divisors (see below), whose sum is σ = 2583929668032. Its totient is φ = 382756081664.

The previous prime is 1220112009973. The next prime is 1220112010009. The reversal of 1220112010002 is 2000102110221.

It is a super-2 number, since 2×12201120100022 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220112010002.

It is not an unprimeable number, because it can be changed into a prime (1220112010009) 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, 1282333 + ... + 2021039.

It is an arithmetic number, because the mean of its divisors is an integer number (80747802126).

Almost surely, 21220112010002 is an apocalyptic number.

1220112010002 is an abundant number, since it is smaller than the sum of its proper divisors (1363817658030).

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

1220112010002 is a wasteful number, since it uses less digits than its factorization.

1220112010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754922.

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

Adding to 1220112010002 its reverse (2000102110221), we get a palindrome (3220214120223).

The spelling of 1220112010002 in words is "one trillion, two hundred twenty billion, one hundred twelve million, ten thousand, two".

Divisors: 1 2 3 6 17 34 51 102 16193 32386 48579 97158 275281 550562 738707 825843 1477414 1651686 2216121 4432242 12558019 25116038 37674057 75348114 11961882451 23923764902 35885647353 71771294706 203352001667 406704003334 610056005001 1220112010002