1211055353230 has 16 divisors (see below), whose sum is σ = 2308129026480. Its totient is φ = 455926721152.

The previous prime is 1211055353173. The next prime is 1211055353237. The reversal of 1211055353230 is 323535501121.

It is a junction number, because it is equal to n+sod(n) for n = 1211055353192 and 1211055353201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211055353237) 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, 3561927340 + ... + 3561927679.

It is an arithmetic number, because the mean of its divisors is an integer number (144258064155).

Almost surely, 2^{1211055353230} is an apocalyptic number.

1211055353230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211055353230 is a deficient number, since it is larger than the sum of its proper divisors (1097073673250).

1211055353230 is a wasteful number, since it uses less digits than its factorization.

1211055353230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123855043.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 1211055353230 in words is "one trillion, two hundred eleven billion, fifty-five million, three hundred fifty-three thousand, two hundred thirty".