1012431201662 has 4 divisors (see below), whose sum is σ = 1518646802496. Its totient is φ = 506215600830.

The previous prime is 1012431201611. The next prime is 1012431201671. The reversal of 1012431201662 is 2661021342101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1012431201662² (a number of 25 digits) contains 22 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, 253107800414 + ... + 253107800417.

It is an arithmetic number, because the mean of its divisors is an integer number (379661700624).

Almost surely, 2^{1012431201662} is an apocalyptic number.

1012431201662 is a deficient number, since it is larger than the sum of its proper divisors (506215600834).

1012431201662 is an equidigital number, since it uses as much as digits as its factorization.

1012431201662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506215600833.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 1012431201662 its reverse (2661021342101), we get a palindrome (3673452543763).

The spelling of 1012431201662 in words is "one trillion, twelve billion, four hundred thirty-one million, two hundred one thousand, six hundred sixty-two".