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1202111220212 = 227101345139391
BaseRepresentation
bin10001011111100011011…
…010011000100111110100
311020220212012100012122122
4101133203122120213310
5124143410433021322
62320124155215112
7152564302531010
oct21374332304764
94226765305578
101202111220212
114238a3499091
12174b88747498
1389487b03936
144227aa95540
152140a21c442
hex117e36989f4

1202111220212 has 48 divisors (see below), whose sum is σ = 2407385390592. Its totient is φ = 514513105920.

The previous prime is 1202111220203. The next prime is 1202111220217. The reversal of 1202111220212 is 2120221112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202111220217) 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, 128002037 + ... + 128011427.

It is an arithmetic number, because the mean of its divisors is an integer number (50153862304).

Almost surely, 21202111220212 is an apocalyptic number.

It is an amenable number.

1202111220212 is an abundant number, since it is smaller than the sum of its proper divisors (1205274170380).

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

1202111220212 is a wasteful number, since it uses less digits than its factorization.

1202111220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14928 (or 14926 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202111220212 its reverse (2120221112021), we get a palindrome (3322332332233).

The spelling of 1202111220212 in words is "one trillion, two hundred two billion, one hundred eleven million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 1013 2026 4052 4513 7091 9026 9391 14182 18052 18782 28364 31591 37564 63182 65737 126364 131474 262948 4571669 9143338 9513083 18286676 19026166 32001683 38052332 42381583 64003366 66591581 84763166 128006732 133183162 169526332 266366324 296671081 593342162 1186684324 42932543579 85865087158 171730174316 300527805053 601055610106 1202111220212