1023154213012 has 12 divisors (see below), whose sum is σ = 1791689393536. Its totient is φ = 511242957720.

The previous prime is 1023154212973. The next prime is 1023154213021. The reversal of 1023154213012 is 2103124513201.

1023154213012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1023154213012² (a number of 25 digits) contains 22 as substring.

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, 83530308 + ... + 83542555.

Almost surely, 2^{1023154213012} is an apocalyptic number.

It is an amenable number.

1023154213012 is a deficient number, since it is larger than the sum of its proper divisors (768535180524).

1023154213012 is a wasteful number, since it uses less digits than its factorization.

1023154213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167074398 (or 167074396 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1023154213012 its reverse (2103124513201), we get a palindrome (3126278726213).

The spelling of 1023154213012 in words is "one trillion, twenty-three billion, one hundred fifty-four million, two hundred thirteen thousand, twelve".