1021014144212 has 24 divisors (see below), whose sum is σ = 1832426426880. Its totient is φ = 497554631840.

The previous prime is 1021014144211. The next prime is 1021014144239. The reversal of 1021014144212 is 2124414101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021014144211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11316839 + ... + 11406702.

It is an arithmetic number, because the mean of its divisors is an integer number (76351101120).

Almost surely, 2^{1021014144212} is an apocalyptic number.

It is an amenable number.

1021014144212 is a deficient number, since it is larger than the sum of its proper divisors (811412282668).

1021014144212 is a wasteful number, since it uses less digits than its factorization.

1021014144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22723831 (or 22723829 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1021014144212 its reverse (2124414101201), we get a palindrome (3145428245413).

The spelling of 1021014144212 in words is "one trillion, twenty-one billion, fourteen million, one hundred forty-four thousand, two hundred twelve".