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10220220021012 = 223891379955469
BaseRepresentation
bin1001010010111001010010…
…0101010111100100010100
31100012001011201001102122220
42110232110211113210110
52314422002311133022
633423034304222340
72103246402550011
oct224562445274424
940161151042586
1010220220021012
113290409841291
1211908b700a9b0
135919bb5c9471
1427493880a708
1512acb85e485c
hex94b94957914

10220220021012 has 24 divisors (see below), whose sum is σ = 23847231760800. Its totient is φ = 3406732619616.

The previous prime is 10220220021001. The next prime is 10220220021019. The reversal of 10220220021012 is 21012002202201.

It is a junction number, because it is equal to n+sod(n) for n = 10220220020982 and 10220220021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220220021019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10218814 + ... + 11174282.

It is an arithmetic number, because the mean of its divisors is an integer number (993634656700).

Almost surely, 210220220021012 is an apocalyptic number.

10220220021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10220220021012 is an abundant number, since it is smaller than the sum of its proper divisors (13627011739788).

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

10220220021012 is a wasteful number, since it uses less digits than its factorization.

10220220021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846855 (or 1846853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10220220021012 its reverse (21012002202201), we get a palindrome (31232222223213).

The spelling of 10220220021012 in words is "ten trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 891379 955469 1782758 1910938 2674137 2866407 3565516 3821876 5348274 5732814 10696548 11465628 851685001751 1703370003502 2555055005253 3406740007004 5110110010506 10220220021012