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123020203002132 = 223193971359098977
BaseRepresentation
bin11011111110001011011111…
…100000000000100100010100
3121010120121122110120011012210
4123332023133200000210110
5112111030333432032012
61113350411232513420
734624626212135142
oct3376133740004424
9533517573504183
10123020203002132
113621a636512467
121196a1810ab870
1353849a87000b7
1422542d11b2592
15e3508786423c
hex6fe2df800914

123020203002132 has 48 divisors (see below), whose sum is σ = 302915980216640. Its totient is φ = 38750630003712.

The previous prime is 123020203002043. The next prime is 123020203002209. The reversal of 123020203002132 is 231200302020321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123020203002099 and 123020203002108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679458973 + ... + 679640004.

Almost surely, 2123020203002132 is an apocalyptic number.

123020203002132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123020203002132 is an abundant number, since it is smaller than the sum of its proper divisors (179895777214508).

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

123020203002132 is a wasteful number, since it uses less digits than its factorization.

123020203002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359099400 (or 1359099398 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123020203002132 its reverse (231200302020321), we get a palindrome (354220505022453).

The spelling of 123020203002132 in words is "one hundred twenty-three trillion, twenty billion, two hundred three million, two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 397 794 1191 1588 2382 4764 7543 15086 22629 30172 45258 90516 1359098977 2718197954 4077296931 5436395908 8154593862 16309187724 25822880563 51645761126 77468641689 103291522252 154937283378 309874566756 539562293869 1079124587738 1618686881607 2158249175476 3237373763214 6474747526428 10251683583511 20503367167022 30755050750533 41006734334044 61510101501066 123020203002132