1211455432052 has 12 divisors (see below), whose sum is σ = 2127538340256. Its totient is φ = 603587334840.

The previous prime is 1211455432051. The next prime is 1211455432067. The reversal of 1211455432052 is 2502345541121.

It is a super-3 number, since 3×1211455432052³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211455432051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535094024 + ... + 535096287.

It is an arithmetic number, because the mean of its divisors is an integer number (177294861688).

Almost surely, 2^{1211455432052} is an apocalyptic number.

It is an amenable number.

1211455432052 is a deficient number, since it is larger than the sum of its proper divisors (916082908204).

1211455432052 is a wasteful number, since it uses less digits than its factorization.

1211455432052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070190598 (or 1070190596 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1211455432052 in words is "one trillion, two hundred eleven billion, four hundred fifty-five million, four hundred thirty-two thousand, fifty-two".