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2122212013372 = 2211148609324557
BaseRepresentation
bin11110111000011101101…
…100010111010100111100
321111212210121022101100201
4132320131230113110330
5234232242233411442
64302533012333244
7306216251323033
oct36703554272474
97455717271321
102122212013372
117490303a0330
122a3370614224
1312517bac8199
1474a038bd71a
153a30c2747b7
hex1ee1db1753c

2122212013372 has 24 divisors (see below), whose sum is σ = 4051535407920. Its totient is φ = 964632360960.

The previous prime is 2122212013331. The next prime is 2122212013373. The reversal of 2122212013372 is 2733102122212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122212013372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212013373) 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, 6376518 + ... + 6701074.

It is an arithmetic number, because the mean of its divisors is an integer number (168813975330).

Almost surely, 22122212013372 is an apocalyptic number.

2122212013372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2122212013372 is a deficient number, since it is larger than the sum of its proper divisors (1929323394548).

2122212013372 is a wasteful number, since it uses less digits than its factorization.

2122212013372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473181 (or 473179 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 2122212013372 its reverse (2733102122212), we get a palindrome (4855314135584).

The spelling of 2122212013372 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, thirteen thousand, three hundred seventy-two".

Divisors: 1 2 4 11 22 44 148609 297218 324557 594436 649114 1298228 1634699 3269398 3570127 6538796 7140254 14280508 48232091213 96464182426 192928364852 530553003343 1061106006686 2122212013372