1012112221004 has 6 divisors (see below), whose sum is σ = 1771196386764. Its totient is φ = 506056110500.

The previous prime is 1012112220989. The next prime is 1012112221031. The reversal of 1012112221004 is 4001222112101.

It is a super-2 number, since 2×1012112221004² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126514027622 + ... + 126514027629.

It is an arithmetic number, because the mean of its divisors is an integer number (295199397794).

Almost surely, 2^{1012112221004} is an apocalyptic number.

It is an amenable number.

1012112221004 is a deficient number, since it is larger than the sum of its proper divisors (759084165760).

1012112221004 is a wasteful number, since it uses less digits than its factorization.

1012112221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253028055255 (or 253028055253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012112221004 its reverse (4001222112101), we get a palindrome (5013334333105).

The spelling of 1012112221004 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, four".