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121010100202012 = 22714519297664391
BaseRepresentation
bin11011100000111011011100…
…000010010110101000011100
3120212110110012221111212212111
4123200323130002112220130
5111330112141122431022
61105211134513443404
734326456043221250
oct3340733402265034
9525413187455774
10121010100202012
113561510592339a
12116a4699870564
13526a2850973b8
1421c4cc4a80260
15decb3c96e477
hex6e0edc096a1c

121010100202012 has 24 divisors (see below), whose sum is σ = 242036870423040. Its totient is φ = 51857899368240.

The previous prime is 121010100201961. The next prime is 121010100202063. The reversal of 121010100202012 is 210202001010121.

It is an interprime number because it is at equal distance from previous prime (121010100201961) and next prime (121010100202063).

It is a junction number, because it is equal to n+sod(n) for n = 121010100201983 and 121010100202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148425664 + ... + 149238727.

It is an arithmetic number, because the mean of its divisors is an integer number (10084869600960).

Almost surely, 2121010100202012 is an apocalyptic number.

It is an amenable number.

121010100202012 is an abundant number, since it is smaller than the sum of its proper divisors (121026770221028).

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

121010100202012 is a wasteful number, since it uses less digits than its factorization.

121010100202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297678921 (or 297678919 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010100202012 its reverse (210202001010121), we get a palindrome (331212101212133).

The spelling of 121010100202012 in words is "one hundred twenty-one trillion, ten billion, one hundred million, two hundred two thousand, twelve".

Divisors: 1 2 4 7 14 28 14519 29038 58076 101633 203266 406532 297664391 595328782 1190657564 2083650737 4167301474 8334602948 4321789292929 8643578585858 17287157171716 30252525050503 60505050101006 121010100202012