42221230213012 has 12 divisors (see below), whose sum is σ = 78233455983060. Its totient is φ = 19868814217856.

The previous prime is 42221230212979. The next prime is 42221230213021. The reversal of 42221230213012 is 21031203212224.

It can be written as a sum of positive squares in 2 ways, for example, as 14451660753156 + 27769569459856 = 3801534^2 + 5269684^2 .

It is a super-2 number, since 2×42221230213012² (a number of 28 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 in 3 ways as a sum of consecutive naturals, for example, 310450222087 + ... + 310450222222.

It is an arithmetic number, because the mean of its divisors is an integer number (6519454665255).

Almost surely, 2^{42221230213012} is an apocalyptic number.

It is an amenable number.

42221230213012 is a deficient number, since it is larger than the sum of its proper divisors (36012225770048).

42221230213012 is a wasteful number, since it uses less digits than its factorization.

42221230213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620900444330 (or 620900444328 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42221230213012 its reverse (21031203212224), we get a palindrome (63252433425236).

The spelling of 42221230213012 in words is "forty-two trillion, two hundred twenty-one billion, two hundred thirty million, two hundred thirteen thousand, twelve".