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1212111101332 = 22303027775333
BaseRepresentation
bin10001101000110111011…
…100111001110110010100
311021212200002212210201001
4101220313130321312110
5124324400420220312
62324500335313044
7153400146236245
oct21506734716624
94255602783631
101212111101332
1142806513184a
12176ab967b784
138a3bc77bc61
1442948bc6ccc
15217e30a5057
hex11a37739d94

1212111101332 has 6 divisors (see below), whose sum is σ = 2121194427338. Its totient is φ = 606055550664.

The previous prime is 1212111101303. The next prime is 1212111101407. The reversal of 1212111101332 is 2331011112121.

It can be written as a sum of positive squares in only one way, i.e., 756558998416 + 455552102916 = 869804^2 + 674946^2 .

It is a super-3 number, since 3×12121111013323 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151513887663 + ... + 151513887670.

Almost surely, 21212111101332 is an apocalyptic number.

It is an amenable number.

1212111101332 is a deficient number, since it is larger than the sum of its proper divisors (909083326006).

1212111101332 is a wasteful number, since it uses less digits than its factorization.

1212111101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303027775337 (or 303027775335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1212111101332 its reverse (2331011112121), we get a palindrome (3543122213453).

The spelling of 1212111101332 in words is "one trillion, two hundred twelve billion, one hundred eleven million, one hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 303027775333 606055550666 1212111101332