1020042003212 has 12 divisors (see below), whose sum is σ = 1785090714960. Its totient is φ = 510016084656.

The previous prime is 1020042003203. The next prime is 1020042003221. The reversal of 1020042003212 is 2123002400201.

It is an interprime number because it is at equal distance from previous prime (1020042003203) and next prime (1020042003221).

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, 740912 + ... + 1609047.

It is an arithmetic number, because the mean of its divisors is an integer number (148757559580).

Almost surely, 2^{1020042003212} is an apocalyptic number.

It is an amenable number.

1020042003212 is a deficient number, since it is larger than the sum of its proper divisors (765048711748).

1020042003212 is a wasteful number, since it uses less digits than its factorization.

1020042003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458480 (or 2458478 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1020042003212 its reverse (2123002400201), we get a palindrome (3143044403413).

The spelling of 1020042003212 in words is "one trillion, twenty billion, forty-two million, three thousand, two hundred twelve".