1022152142412 has 30 divisors (see below), whose sum is σ = 2672107607708. Its totient is φ = 340717380696.

The previous prime is 1022152142377. The next prime is 1022152142443. The reversal of 1022152142412 is 2142412512201.

1022152142412 is a `hidden beast` number, since 1 + 0 + 2 + 215 + 21 + 424 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1577394958 + ... + 1577395605.

Almost surely, 2^{1022152142412} is an apocalyptic number.

1022152142412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022152142412 is an abundant number, since it is smaller than the sum of its proper divisors (1649955465296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022152142412 is a wasteful number, since it uses less digits than its factorization.

1022152142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154790579 (or 3154790568 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 1022152142412 its reverse (2142412512201), we get a palindrome (3164564654613).

The spelling of 1022152142412 in words is "one trillion, twenty-two billion, one hundred fifty-two million, one hundred forty-two thousand, four hundred twelve".