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1012202221120 = 2653163131941
BaseRepresentation
bin11101011101010111111…
…01000010111001000000
310120202200010001111001121
432232223331002321000
5113040442232033440
62052555502242024
7133062212630506
oct16565375027100
93522603044047
101012202221120
113602aa847262
12144208586314
13745b12b461c
1436dc2c64676
151b4e2b2e34a
hexebabf42e40

1012202221120 has 28 divisors (see below), whose sum is σ = 2410306539804. Its totient is φ = 404880888320.

The previous prime is 1012202221103. The next prime is 1012202221141. The reversal of 1012202221120 is 211222022101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 258055872064 + 754146349056 = 507992^2 + 868416^2 .

It is a super-2 number, since 2×10122022211202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1012202221094 and 1012202221103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581565651 + ... + 1581566290.

Almost surely, 21012202221120 is an apocalyptic number.

1012202221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012202221120 is an abundant number, since it is smaller than the sum of its proper divisors (1398104318684).

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

1012202221120 is an equidigital number, since it uses as much as digits as its factorization.

1012202221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163131958 (or 3163131948 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012202221120 its reverse (211222022101), we get a palindrome (1223424243221).

The spelling of 1012202221120 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 3163131941 6326263882 12652527764 15815659705 25305055528 31631319410 50610111056 63262638820 101220222112 126525277640 202440444224 253050555280 506101110560 1012202221120