1202215690840 has 128 divisors (see below), whose sum is σ = 2743391851200. Its totient is φ = 474122557440.

The previous prime is 1202215690829. The next prime is 1202215690861. The reversal of 1202215690840 is 480965122021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1202215690793 and 1202215690802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452129431 + ... + 452132089.

Almost surely, 2^{1202215690840} is an apocalyptic number.

1202215690840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202215690840 is an abundant number, since it is smaller than the sum of its proper divisors (1541176160360).

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

1202215690840 is a wasteful number, since it uses less digits than its factorization.

1202215690840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 1202215690840 in words is "one trillion, two hundred two billion, two hundred fifteen million, six hundred ninety thousand, eight hundred forty".