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1021210012210 = 25743137444147
BaseRepresentation
bin11101101110001001101…
…11000010101000110010
310121121220212210200102211
432313010313002220302
5113212414230342320
62101045402402334
7133531351611223
oct16670467025062
93547825720384
101021210012210
1136410247a003
12145b012003aa
13753b8561c1b
14375d930724a
151b86d84955a
hexedc4dc2a32

1021210012210 has 16 divisors (see below), whose sum is σ = 1840652030016. Its totient is φ = 407934225328.

The previous prime is 1021210012169. The next prime is 1021210012211. The reversal of 1021210012210 is 122100121201.

1021210012210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1021210012211) 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, 68714644 + ... + 68729503.

It is an arithmetic number, because the mean of its divisors is an integer number (115040751876).

Almost surely, 21021210012210 is an apocalyptic number.

1021210012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021210012210 is a deficient number, since it is larger than the sum of its proper divisors (819442017806).

1021210012210 is a wasteful number, since it uses less digits than its factorization.

1021210012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137444897.

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

Adding to 1021210012210 its reverse (122100121201), we get a palindrome (1143310133411).

The spelling of 1021210012210 in words is "one trillion, twenty-one billion, two hundred ten million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 743 1486 3715 7430 137444147 274888294 687220735 1374441470 102121001221 204242002442 510605006105 1021210012210