1031001021212 has 12 divisors (see below), whose sum is σ = 1804259483040. Its totient is φ = 515498311776.

The previous prime is 1031001021173. The next prime is 1031001021251. The reversal of 1031001021212 is 2121201001301.

It is an interprime number because it is at equal distance from previous prime (1031001021173) and next prime (1031001021251).

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, 975464 + ... + 1735952.

It is an arithmetic number, because the mean of its divisors is an integer number (150354956920).

Almost surely, 2^{1031001021212} is an apocalyptic number.

It is an amenable number.

1031001021212 is a deficient number, since it is larger than the sum of its proper divisors (773258461828).

1031001021212 is a wasteful number, since it uses less digits than its factorization.

1031001021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099420 (or 1099418 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1031001021212 its reverse (2121201001301), we get a palindrome (3152202022513).

The spelling of 1031001021212 in words is "one trillion, thirty-one billion, one million, twenty-one thousand, two hundred twelve".