1022012132231 has 8 divisors (see below), whose sum is σ = 1066631737344. Its totient is φ = 977407885080.

The previous prime is 1022012132191. The next prime is 1022012132327. The reversal of 1022012132231 is 1322312102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022012132231 is a prime.

It is a super-2 number, since 2×1022012132231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022012132431) 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, 3703391 + ... + 3969776.

It is an arithmetic number, because the mean of its divisors is an integer number (133328967168).

Almost surely, 2^{1022012132231} is an apocalyptic number.

1022012132231 is a deficient number, since it is larger than the sum of its proper divisors (44619605113).

1022012132231 is an equidigital number, since it uses as much as digits as its factorization.

1022012132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678981.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1022012132231 its reverse (1322312102201), we get a palindrome (2344324234432).

The spelling of 1022012132231 in words is "one trillion, twenty-two billion, twelve million, one hundred thirty-two thousand, two hundred thirty-one".