1012011223402 has 16 divisors (see below), whose sum is σ = 1638638864640. Its totient is φ = 467315526832.

The previous prime is 1012011223397. The next prime is 1012011223417. The reversal of 1012011223402 is 2043221102101.

It is a super-2 number, since 2×1012011223402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012011223402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379313218 + ... + 379315885.

It is an arithmetic number, because the mean of its divisors is an integer number (102414929040).

Almost surely, 2^{1012011223402} is an apocalyptic number.

1012011223402 is a deficient number, since it is larger than the sum of its proper divisors (626627641238).

1012011223402 is a wasteful number, since it uses less digits than its factorization.

1012011223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758629157.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1012011223402 its reverse (2043221102101), we get a palindrome (3055232325503).

The spelling of 1012011223402 in words is "one trillion, twelve billion, eleven million, two hundred twenty-three thousand, four hundred two".