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102112121201222 = 2116779876905357
BaseRepresentation
bin10111001101111011010100…
…101101100010001001000110
3111101112211020021222112200002
4113031323110231202021012
5101341001111011414342
61001101354430121302
730336233361136016
oct2715732455421106
9441484207875602
10102112121201222
112a5995643a6a30
12b55201a950232
1344c91934a9162
141b3037848dc46
15bc1285be8d32
hex5cded4b62246

102112121201222 has 32 divisors (see below), whose sum is σ = 171733145310720. Its totient is φ = 45143087726880.

The previous prime is 102112121201221. The next prime is 102112121201227. The reversal of 102112121201222 is 222102121211201.

It is a junction number, because it is equal to n+sod(n) for n = 102112121201194 and 102112121201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112121201221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438336233 + ... + 438569124.

It is an arithmetic number, because the mean of its divisors is an integer number (5366660790960).

Almost surely, 2102112121201222 is an apocalyptic number.

102112121201222 is a deficient number, since it is larger than the sum of its proper divisors (69621024109498).

102112121201222 is a wasteful number, since it uses less digits than its factorization.

102112121201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876905516.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102112121201222 its reverse (222102121211201), we get a palindrome (324214242412423).

The spelling of 102112121201222 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 67 79 134 158 737 869 1474 1738 5293 10586 58223 116446 876905357 1753810714 9645958927 19291917854 58752658919 69275523203 117505317838 138551046406 646279248109 762030755233 1292558496218 1524061510466 4641460054601 9282920109202 51056060600611 102112121201222