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101021202012 = 22331603744983
BaseRepresentation
bin101111000010101010…
…1010011011001011100
3100122202100012210001110
41132011111103121130
53123342411431022
6114224122542020
710204254022563
oct1360525233134
9318670183043
10101021202012
113992a920305
12176b3967910
1396ac2611a3
144c6492abda
152963c0800c
hex178555365c

101021202012 has 48 divisors (see below), whose sum is σ = 243365599232. Its totient is φ = 32581362240.

The previous prime is 101021201989. The next prime is 101021202013. The reversal of 101021202012 is 210202120101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223273 + ... + 2268255.

Almost surely, 2101021202012 is an apocalyptic number.

101021202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101021202012 is an abundant number, since it is smaller than the sum of its proper divisors (142344397220).

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

101021202012 is a wasteful number, since it uses less digits than its factorization.

101021202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51058 (or 51056 counting only the distinct ones).

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

Adding to 101021202012 its reverse (210202120101), we get a palindrome (311223322113).

The spelling of 101021202012 in words is "one hundred one billion, twenty-one million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 6037 12074 18111 24148 36222 44983 72444 89966 134949 179932 187147 269898 374294 539796 561441 748588 1122882 1394473 2245764 2788946 4183419 5577892 8366838 16733676 271562371 543124742 814687113 1086249484 1629374226 3258748452 8418433501 16836867002 25255300503 33673734004 50510601006 101021202012