1214212021432 has 16 divisors (see below), whose sum is σ = 2332175529600. Its totient is φ = 592298546880.

The previous prime is 1214212021427. The next prime is 1214212021439. The reversal of 1214212021432 is 2341202124121.

It is a junction number, because it is equal to n+sod(n) for n = 1214212021397 and 1214212021406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214212021439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850932632 + ... + 1850933287.

It is an arithmetic number, because the mean of its divisors is an integer number (145760970600).

Almost surely, 2^{1214212021432} is an apocalyptic number.

It is an amenable number.

1214212021432 is a deficient number, since it is larger than the sum of its proper divisors (1117963508168).

1214212021432 is a wasteful number, since it uses less digits than its factorization.

1214212021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701865966 (or 3701865962 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1214212021432 its reverse (2341202124121), we get a palindrome (3555414145553).

The spelling of 1214212021432 in words is "one trillion, two hundred fourteen billion, two hundred twelve million, twenty-one thousand, four hundred thirty-two".