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12210201012 = 2233132823121
BaseRepresentation
bin10110101111100100…
…01110000110110100
31011111221122110221010
423113302032012310
5200001302413022
65335334552220
7611402665452
oct132762160664
934457573833
1012210201012
1151a6381819
122449208670
1311c7881019
1483b8d79d2
154b6e4250c
hex2d7c8e1b4

12210201012 has 24 divisors (see below), whose sum is σ = 29409517312. Its totient is φ = 3938774400.

The previous prime is 12210201011. The next prime is 12210201019. The reversal of 12210201012 is 21010201221.

Adding to 12210201012 its reverse (21010201221), we get a palindrome (33220402233).

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 (12210201011) 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, 16411189 + ... + 16411932.

Almost surely, 212210201012 is an apocalyptic number.

12210201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210201012 is an abundant number, since it is smaller than the sum of its proper divisors (17199316300).

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

12210201012 is a wasteful number, since it uses less digits than its factorization.

12210201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823159 (or 32823157 counting only the distinct ones).

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

The spelling of 12210201012 in words is "twelve billion, two hundred ten million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 32823121 65646242 98469363 131292484 196938726 393877452 1017516751 2035033502 3052550253 4070067004 6105100506 12210201012